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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:47:19
so it needs to be only indeterminate form when i want to apply lhop ?? because the inf denominator requirement is met
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0
569,167,697,925,898,240
Camilleone
1596
Camilleone
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:47:36
You can only apply it to specific indeterminate forms
0
1
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null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
193,692,307,453,771,780
Syst3ms
02/26/2022 05:47:47
L'H can only be applied to 0/0 or ∞/∞
0
1
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:47:53
Your notes should tell you this
0
1
null
null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:47:58
ln(cotx)/(1/sinx)
1
0
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
706,934,233,012,371,600
Ansh_
02/26/2022 05:48:06
$$\lim_{x \to 0} \frac{\ln (\cot x)}{\csc x} = \lim_{x \to 0} \frac{\csc^2 x}{\cot x \cdot \csc x \cdot \cot x}$$
0
1
null
null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
193,692,307,453,771,780
Syst3ms
02/26/2022 05:48:11
If you encounter something like 1/∞ then it's not indeterminate, it's 0, no need for L'H
0
1
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
510,789,298,321,096,700
TeXit
02/26/2022 05:48:32
https://cdn.discordapp.c…233012371577.png
706934233012371577.png
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:49:00
okay, so the limit goes to 0 because 1/inf
1
0
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:49:10
you made an algebraic error
0
1
null
null
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null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:49:18
in differentiating it seems
0
1
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:49:27
or?
0
1
null
null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:49:35
i dont think so
1
0
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:49:40
hmm
1
0
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:49:48
no its correct
0
1
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null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:49:54
same as this
0
1
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null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
706,934,233,012,371,600
Ansh_
02/26/2022 05:50:06
halfway simplifying tho :thinkies: consider switching cot x to cos / sin as well
0
1
null
null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:50:17
im not familiar with csc function... 😦
1
0
706,934,233,012,371,600
Ansh_
3502
Arya
false
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:50:22
1/sin
0
1
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:50:24
we dont use them in school
1
0
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
569,167,697,925,898,240
Camilleone
02/26/2022 05:50:30
cosec
0
1
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
569,167,697,925,898,240
Camilleone
02/26/2022 05:50:32
csc
0
1
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
569,167,697,925,898,240
Camilleone
02/26/2022 05:50:34
same thing
0
1
null
null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:50:36
its shorthand for 1/sin
0
1
null
null
null
null
null
918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
193,692,307,453,771,780
Syst3ms
02/26/2022 05:50:57
inverse trig functions are just there to make calculus with trig functions look cleaner than it actually is
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1
null
null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
321,445,119,171,756,000
Shuri2060
02/26/2022 05:51:00
so yes its the same thing
0
1
null
null
null
null
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:51:11
ok thanks a lot for help
1
0
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918
help-10
58ae98dfbd6548cf8bdae85db2f9a0c6
692,635,975,678,951,400
Michal
02/26/2022 05:53:09
.close
1
0
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919
help-10
17685183471c431abd7819db2f0117f2
875,498,795,234,897,900
DinER
02/26/2022 05:59:32
hey guys just wondering. to find the total number of item that fit in a cube with length of 100cm. do i add the number of ites for length, width and height or multiply all them ?
https://cdn.discordapp.c…5552/unknown.png
unknown.png
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TeXit
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TeXit
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919
help-10
17685183471c431abd7819db2f0117f2
875,498,795,234,897,900
DinER
02/26/2022 06:01:16
wouldnt you multiply those numbers because the volume of a cube is l^3 so
1
0
null
null
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919
help-10
17685183471c431abd7819db2f0117f2
875,498,795,234,897,900
DinER
02/26/2022 06:04:12
@Helpers
1
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919
help-10
17685183471c431abd7819db2f0117f2
875,498,795,234,897,900
DinER
02/26/2022 06:19:50
@Helpers
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 07:56:23
Could somebody tell me what I'm doing wrong here?
https://cdn.discordapp.c…20226_155412.jpg
20220226_155412.jpg
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:06:38
The answer is E but some of the others are not even in my list of solutions
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:15:48
Do I need to find the solution using sin instead of cos or what?
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:15:57
@Helpers
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
872,024,354,572,103,700
<><><>
02/26/2022 08:18:07
Why don't you just plug them all in?
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:19:26
I know which one apparently doesn't work which is 5pi/6 from the answer sheet but that's not even in my solution set
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:20:03
https://cdn.discordapp.c…20226_162101.jpg
20220226_162101.jpg
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0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
826,318,983,413,366,800
Cogwheels of the mind
02/26/2022 08:24:08
Sin(2x)=0 or cos(2x)=0 or cos(2x)=-1/2 that’s what I got
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:25:25
I got the one for cos2x but how did you get the one for sin?
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
826,318,983,413,366,800
Cogwheels of the mind
02/26/2022 08:25:37
2x=y
0
1
null
null
null
null
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
826,318,983,413,366,800
Cogwheels of the mind
02/26/2022 08:25:55
Siny +sin2y +sin3y=
0
1
null
null
null
null
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
826,318,983,413,366,800
Cogwheels of the mind
02/26/2022 08:26:45
Siny(2cosy+4(cosy)^2)
0
1
null
null
null
null
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:27:50
what did you do in the end there
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:28:09
Can you write it in texit?
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:29:24
Wait I'll try something
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
826,318,983,413,366,800
Cogwheels of the mind
02/26/2022 08:29:33
Sorry have to go somewhere
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:30:08
oh ok
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:40:31
Idk how sin(2x)=0 is found could somebody tell me?
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 08:54:49
@Helpers
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:10:46
nope :sadcat:
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:24:24
You should be able to sketch graphs of sin cos and tan
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1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:24:45
from -pi to pi or 0 to 2pi
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1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:26:07
idk if the teacher would rly accept that tho
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:26:22
and I'm not familiar with sketching trig graphs yet
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:28:05
Theres only 3 graphs you need to learn
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:28:07
the ones i listed
0
1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:28:18
So get familiar with them
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1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:28:28
draw each once every day maybe 🤔
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:29:17
The solutions to sin2x = 0 should be able to be 'written down'
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:29:31
working would not be expected for it
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1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:30:02
y = sin x y = cos x y = tan x
0
1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:30:02
Like I know how they look but idk how the coefficients abcd change it in for example acos(bx+d)+c . I think I should be able to solve it without graphs since the teacher didnt teach it to us yet
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:30:18
no
0
1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:30:24
You just need these 3 graphs
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:30:37
If you can sketch these 3 graphs, then you should be able to solve sin2x = 0
0
1
null
null
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:30:41
for example
0
1
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:30:58
If you are unfamiliar with graph transformations, practice in desmos
0
1
null
null
null
null
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:31:25
But there is no need to be able to sketch them in particular
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178,019,451,772,469,250
mrlordsaif
2786
mrlordsaif
false
920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:31:42
Ik how to solve for sin2x=0 but idk how we got to it from sin2x+sin4x+sin6x=0
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:31:44
but is a good thing to be able to do
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:32:06
Ive no idea about the question
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:32:12
you asked for sin2x = 0
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178,019,451,772,469,250
mrlordsaif
2786
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:32:25
Look at cog's solution or ask them
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:32:58
Wait... if sin2x equals 0 then does that mean sin(2kx) is always 0?
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:33:13
Where k is an integer
1
0
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:33:59
idk, check the graph
0
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null
null
null
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920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:34:04
use desmos if u need
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null
null
null
null
null
920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
321,445,119,171,756,000
Shuri2060
02/26/2022 09:34:21
Yes, you need to familiarize yourself with graphical transformations it seems
0
1
null
null
null
null
null
920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
178,019,451,772,469,250
mrlordsaif
02/26/2022 09:34:38
I guess I'll graph it
1
0
null
null
null
null
null
920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
826,318,983,413,366,800
Cogwheels of the mind
02/26/2022 09:41:01
?I just directly calculated. sin(y)+sin(2y)+sin(3y)=siny+2sinycosy+sin2ycosy+sinycos2y+ siny+2sinycosy+2sinx(cosx)^2+siny(2(cosy)^2-1)=siny(2cosy+4(cosy)^2)
0
1
178,019,451,772,469,250
mrlordsaif
2786
mrlordsaif
false
920
help-10
e1281fadebfd4cc5af34c94a3a1521e0
826,318,983,413,366,800
Cogwheels of the mind
02/26/2022 09:42:45
There is a very quick way if you just want to get the answer without knowing all solutions is by considering w=cos2x+isin2x then that equation holds iff w+w^2+w^3 is a real number
0
1
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 10:41:43
Need a bit help how to get started at the a)
https://cdn.discordapp.c…20226_174048.jpg
20220226_174048.jpg
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
220,196,846,922,891,260
Lance
02/26/2022 10:53:30
are you supposed to solve for x?
0
1
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
831,829,234,745,344,000
yutter
02/26/2022 10:55:52
Probably
0
1
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 10:56:08
yup
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
831,829,234,745,344,000
yutter
02/26/2022 10:57:33
Firstly maybe +1/2
0
1
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 11:08:46
@Helpers
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 11:09:04
its def easy, im just dum
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
831,829,234,745,344,000
yutter
02/26/2022 11:10:04
Do you have the answer?
0
1
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 11:10:58
nop
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 11:18:06
brOOuu help me man
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
831,829,234,745,344,000
yutter
02/26/2022 11:19:07
I could but I am doubting my algebra skills
0
1
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 11:33:03
ok i solved it
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 11:47:03
next is b)
1
0
null
null
null
null
null
921
help-10
6e6d2974a81445caae5ea3801ccc4c00
644,927,547,548,762,100
Strangerr
02/26/2022 11:47:03
lol
1
0
null
null
null
null
null
922
help-10
6917b030b2bf4c2f9e17b98d0437dd2e
235,062,483,121,995,780
CaesiumIsFake
02/26/2022 12:37:54
Is an orthonormal vector just an orthogonal vector with the additional criterion of being a unit vector?
1
0
null
null
null
null
null
922
help-10
6917b030b2bf4c2f9e17b98d0437dd2e
235,062,483,121,995,780
CaesiumIsFake
02/26/2022 12:38:17
I actually have a handful of questions about this but none of them should be too hard to answer I dont think
1
0
null
null
null
null
null
922
help-10
6917b030b2bf4c2f9e17b98d0437dd2e
235,062,483,121,995,780
CaesiumIsFake
02/26/2022 12:40:02
1. If a set of vectors is orthogonal and of n dimensions, does that imply it is a basis for n dimensional real space?
1
0
null
null
null
null
null