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help-10
eb985957389543a087c57d2aa4ed4525
793,013,050,311,573,500
Sky ✨
01/29/2022 07:06:03
I m new sorry
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♡ nahitspanda ♡
9582
♡ nahitspanda ♡
false
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help-10
a80b9c2542204a9590945f4fc60f46dc
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Snickerdoodle
01/29/2022 07:08:19
i need some help understanding logs
1
0
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null
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:08:43
specifically, is there a particular order in which the log laws need to be carried out?
1
0
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:08:51
kind of like bodmas or smoething
1
0
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null
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:10:27
i dont fully understand how they work. for example. -ln(2) + ln(4) if you use the addition rule you get -ln(8) = -2.079 but if u do the subtraction rule first ln(4) - ln(2) ln(4/2) = ln(2) = 0.693
1
0
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null
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:11:57
so is there a partciluar order u need to do them in, to get the right answer?
1
0
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:12:03
ln(2) is just another number
0
1
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null
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null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:12:17
the order of operations is still pretty much the same
0
1
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:12:42
are both answers correct?
1
0
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null
null
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:12:50
no
0
1
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:13:03
$-a + b \neq -(a+b)$
0
1
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null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
510,789,298,321,096,700
TeXit
01/29/2022 07:13:06
**ℝamonov**
https://cdn.discordapp.c…274845577216.png
220517274845577216.png
0
1
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help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:14:28
i dont get it. all i did what switch the postions of the two values. i didnt factorise the - out or anything.?
1
0
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:15:26
in the first method you added the ln(2) and ln(4) first
0
1
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:15:36
violating the order of operations
0
1
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:16:02
which is what's represented in what I made above
0
1
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null
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:16:17
, so what should i have done first?
1
0
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:17:14
the second route you took is clear and valid
0
1
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null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:19:53
the first route you took wasn't valid for the reasons mentioned above
0
1
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:20:35
im having trouble linking the way logs work with the idea that -a+b != -(a+b)
1
0
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null
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null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:21:03
i get how the idea works with normal numbers, im just having trouble undrstanding that with logs
1
0
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
186,109,587,366,215,680
Omegabet_
01/29/2022 07:21:55
The rules don't magically stop existing in the presence of logs
0
1
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null
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
186,109,587,366,215,680
Omegabet_
01/29/2022 07:22:17
-a+b still isn't -(a+b), regardless of how a and b look to you
0
1
null
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:22:55
ln(2) and ln(4) are just numbers
0
1
null
null
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null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
220,517,274,845,577,200
ramonov
01/29/2022 07:24:37
-1 + 1 you would NOT do -(1+1) here, (hopefully) and that doesn't really change if you have logs or variables or w/e
0
1
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349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:27:10
hmm, i think i get it
1
0
null
null
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null
null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:27:29
thanks for the help
1
0
null
null
null
null
null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:27:47
!close
1
0
null
null
null
null
null
349
help-10
a80b9c2542204a9590945f4fc60f46dc
933,356,161,464,418,300
Snickerdoodle
01/29/2022 07:27:54
.close
1
0
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:19:07
can anyone help me w this^
1
0
null
null
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null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:21:03
combine the fractions
0
1
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:23:05
i was going to use the theorem the limit as theta approaches x, 1-costheta/theta=0
1
0
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:23:14
but i wasnt sure how to incorporate it here
1
0
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:25:21
i don't think you need that
0
1
null
null
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null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:34:53
im honestly lost
1
0
null
null
null
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null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:35:57
can i see your attemt?
0
1
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:40:29
sry its prob rlly wrong
1
0
null
null
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:40:36
$(1-cos(x))^2$ isn't $1-cos^2(x)$
0
1
null
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null
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
510,789,298,321,096,700
TeXit
01/29/2022 08:40:38
**Sepdron**
https://cdn.discordapp.c…421743554570.png
595185421743554570.png
0
1
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:41:15
what would i have to do in order to fix it
1
0
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:42:16
think of a way to make $a-b$ to $a^2-b^2$
0
1
null
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null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
510,789,298,321,096,700
TeXit
01/29/2022 08:42:18
**Sepdron**
https://cdn.discordapp.c…421743554570.png
595185421743554570.png
0
1
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:43:05
you just squared the a-b
1
0
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:43:33
that would be a²-2ab+b²
0
1
null
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help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:44:12
another way to find it is to factor a²-b²
0
1
null
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:51:29
you multiply it by its complement, (a-b)(a+b)=a²-b²
0
1
null
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:54:00
so multiply 1/1-cosx by 1/1-cosx?
1
0
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:55:22
$\frac{1\cdot(1+cos(x))}{(1-cos(x)))\cdot(1+cos(x)}$
0
1
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
510,789,298,321,096,700
TeXit
01/29/2022 08:55:59
**Sepdron**
https://cdn.discordapp.c…421743554570.png
595185421743554570.png
0
1
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:56:51
wouldnt the denominator equal to 1+cosx^2 which isnt the same as 1+cos^2x
1
0
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:57:19
it is the same, it's just notation
0
1
null
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help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:57:42
$cos^2(x)$ is actually $(cos(x))^2$
0
1
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null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
510,789,298,321,096,700
TeXit
01/29/2022 08:57:45
**Sepdron**
https://cdn.discordapp.c…421743554570.png
595185421743554570.png
0
1
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:58:53
https://cdn.discordapp.c…0844/unknown.png
unknown.png
1
0
null
null
null
null
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 08:58:57
but you said this
1
0
null
null
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:59:22
you see the outer parentheses?
0
1
null
null
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350
help-10
a92a9d0dac18487cb81b99ad279f344a
595,185,421,743,554,600
Sepdron
01/29/2022 08:59:36
it's like $(a-b)^2$
0
1
null
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null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
510,789,298,321,096,700
TeXit
01/29/2022 08:59:38
**Sepdron**
https://cdn.discordapp.c…421743554570.png
595185421743554570.png
0
1
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
755,831,671,588,126,700
RepliedPencil
01/29/2022 09:01:43
It's the whole expression squared. $$(a-b)^2 ≠ a^2 - b^2$$
0
1
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help-10
a92a9d0dac18487cb81b99ad279f344a
510,789,298,321,096,700
TeXit
01/29/2022 09:01:46
**Pencil**
https://cdn.discordapp.c…671588126784.png
755831671588126784.png
0
1
null
null
null
null
null
350
help-10
a92a9d0dac18487cb81b99ad279f344a
238,800,795,393,327,100
Vetnus
01/29/2022 09:21:02
.close
1
0
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:49:40
https://cdn.discordapp.c…2596/unknown.png
unknown.png
1
0
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:49:40
https://cdn.discordapp.c…8830/unknown.png
unknown.png
1
0
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:49:45
Can someone help me with this
1
0
null
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null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:50:04
To get the 16 i think its 4y/3
1
0
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:50:15
but I dont know how to get the q in there
1
0
null
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null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
244,527,830,086,451,200
tomzizek
01/29/2022 09:52:11
$\log {\frac{a}{b}}=\log a-\log b$
0
1
null
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null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
510,789,298,321,096,700
TeXit
01/29/2022 09:52:13
**tomzizek**
https://cdn.discordapp.c…830086451200.png
244527830086451200.png
0
1
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
244,527,830,086,451,200
tomzizek
01/29/2022 09:52:19
1st use this
0
1
null
null
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null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:55:31
so is it (4y/3) - 1 ?
1
0
null
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null
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null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
244,527,830,086,451,200
tomzizek
01/29/2022 09:56:17
yes
0
1
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:56:31
okay
1
0
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:56:35
thanks for your help
1
0
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:56:46
have a nice day
1
0
null
null
null
null
null
351
help-10
9ec93f77d10c4decb7e289a6731de85f
566,212,643,140,927,500
Dn.
01/29/2022 09:56:47
.close
1
0
null
null
null
null
null
352
help-10
b1822a5e267540a980c14e56edd3f2f6
258,772,291,989,536,770
AD
01/29/2022 11:21:26
Hi
1
0
null
null
null
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null
352
help-10
b1822a5e267540a980c14e56edd3f2f6
258,772,291,989,536,770
AD
01/29/2022 11:24:22
I have a device that uses 87.8kWh on average over a 24 hr period
1
0
null
null
null
null
null
352
help-10
b1822a5e267540a980c14e56edd3f2f6
258,772,291,989,536,770
AD
01/29/2022 11:24:46
How do I work out how much this will cost me in power bills?
1
0
null
null
null
null
null
353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:18:12
x(t) = 3 sin (t) − sin (3 t)
1
0
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help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:18:32
y(t) = 3 cos (t) − cos (3 t)
1
0
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:18:42
how can i draw them
1
0
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:19:07
On paper or in desmos?
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1
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:19:28
if i was asked to draw it
1
0
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:19:34
so in a paper
1
0
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:20:47
I guess you'd need to find (x, y) for some values of t between 0 and 2pi
0
1
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:20:55
And then just connect them
0
1
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null
null
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:21:57
do i also need to find the (x,y) that they touch its other?
1
0
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null
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353
help-10
1c62f179076b45a384573f9f22fd608a
537,482,727,557,955,600
Chai T. Rex
01/29/2022 12:22:09
Real numbers don't touch each other.
0
1
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:22:28
what do you mean
1
0
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null
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:22:45
wdym
0
1
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:23:43
https://cdn.discordapp.c…01-29_192331.jpg
2022-01-29_192331.jpg
1
0
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:25:59
That's just the point where y = x, not really significant
0
1
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:27:18
im asked to find the area below the two graphs
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0
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null
353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:27:24
and then draw them
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0
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:28:11
Below y(t) and x(t) separately?
0
1
null
null
null
null
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:29:29
is says find the area that is surrounded by the x(t) and y(t)
1
0
676,407,160,619,532,300
DODOS_
8925
DODOS_
false
353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:30:00
I think then they'd mean the area of the shape made by (x, y) satisfying those equations
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1
null
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null
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353
help-10
1c62f179076b45a384573f9f22fd608a
676,407,160,619,532,300
DODOS_
01/29/2022 12:30:15
yes
1
0
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:30:29
Btw the shape looks like this
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1
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353
help-10
1c62f179076b45a384573f9f22fd608a
348,696,743,388,381,200
A Lonely Bean
01/29/2022 12:30:31
https://cdn.discordapp.c…1473/unknown.png
unknown.png
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