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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 02:29:06
@Helpers ?
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:38:31
maybe get rid of the powers first?
0
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:38:43
then somehow convert everything to 55 degrees
0
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:48:51
wait I think this is a troll
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:49:12
LHS is 16.11 and RHS 4.26 according to my calculator
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:49:30
either that or I accidentally punched in the wrong keys
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BlasterOverlord
04/16/2022 02:52:04
Hol up
1
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:52:45
actually the equality holds but the 4 should be inside the parentheses
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:53:20
so it should be 4 * sin^3(25) + 4*cos^3(5)
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BlasterOverlord
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 02:53:57
Huh weird
1
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 02:54:03
Still doesn't equal for me
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:55:10
I got 4.26 for both
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 02:55:18
are you using degree mode?
0
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:00:16
yeah I ended up solving it
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:00:22
it's fun but complicated
0
1
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:00:34
but yeah there's a typo in the question
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:04:09
Yo, how did you do it?
1
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:04:26
well you have to get rid of the powers right
0
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:04:37
so I simply used the power reducing formulas
0
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:04:46
Wait idk that formula
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:04:48
from there it gets a bit easier
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:05:02
https://en.wikipedia.org/wiki/List_of_trigonometric_identities
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:05:25
scroll down to "power-reduction formulae"
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:05:31
Okay
1
0
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:06:35
it's a complicated question btw so don't worry if how to solve it isn't immediately apparent
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BlasterOverlord
04/16/2022 03:07:12
Ah neat
1
0
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:13:56
a
1
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:14:01
Stuck again
1
0
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:17:48
What do I do next?
https://cdn.discordapp.c…283/IMG_0035.jpg
IMG_0035.jpg
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
378,683,898,248,429,600
killer
04/16/2022 03:20:03
Btw, cos can turn to sin easily
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
378,683,898,248,429,600
killer
04/16/2022 03:20:13
Add 90 to the angle and it becomes sin
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help-10
903d066182f3488b8158ddabd553b929
378,683,898,248,429,600
killer
04/16/2022 03:20:28
-90 you go from sin to cos
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help-10
903d066182f3488b8158ddabd553b929
378,683,898,248,429,600
killer
04/16/2022 03:20:37
+90 cos to sin
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:24:49
Oh ya forgot about that
1
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:26:11
yeah those 2 basically cancel out
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:26:26
last step requires a bit of thinking
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:26:31
(at least for me it did)
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:26:35
Alright converted them to sin but what now
1
0
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:26:46
what do you have rn
0
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:27:16
3sin25 + 3sin95 + sin105 - sin75
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Peacemaker II
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false
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:28:09
Wait could I have cancelled out cos 15 by turning -sin75 into -cos15?
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:28:30
you know that sin(75) = cos(15) right
0
1
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:28:37
Yup
1
0
null
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:28:42
Should’ve done that
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:28:50
imagine a right triangle with angles 75, 15, and 90
0
1
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:30:12
Alright now I’ve got
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:30:21
3sin25 + 3cos5
1
0
null
null
null
null
null
1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:30:34
nice
0
1
null
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:30:43
Hmmmmm
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:30:48
you're basically there
0
1
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:31:06
have you heard of sum to product formulas
0
1
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help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:31:14
maybe a product would be more useful
0
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Peacemaker II
5950
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false
1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:31:20
because the LHS is a product
0
1
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:31:39
The RHS, yes...
1
0
null
null
null
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:31:53
yeah I meant RHS, sorry
0
1
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:32:49
Ah there’s a formula
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:33:41
Wait nvm
1
0
null
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:34:49
There isn’t
1
0
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:35:18
:bleak:
1
0
null
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:35:21
there's a sin + sin formula
0
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:35:34
Frick
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:35:42
How did I forget I can turn that cos into sin
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:35:45
Ty
1
0
null
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null
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1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:35:49
just convert your cosine to sin (90-x)
0
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help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:40:28
Ah solved it, thanks!
1
0
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1,914
help-10
903d066182f3488b8158ddabd553b929
531,822,880,950,976,500
BlasterOverlord
04/16/2022 03:40:30
gg
1
0
null
null
null
null
null
1,914
help-10
903d066182f3488b8158ddabd553b929
209,300,311,091,838,980
Peacemaker II
04/16/2022 03:44:00
great
0
1
null
null
null
null
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1,915
help-10
a64aafd785a648ff9de31b68c73bf5a7
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 04:32:57
How can you prove that a shape is a parabola
1
0
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help-10
a64aafd785a648ff9de31b68c73bf5a7
183,668,144,404,037,630
Ann
04/16/2022 04:34:05
by proving that it satisfies the definition of a parabola
0
1
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null
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null
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help-10
a64aafd785a648ff9de31b68c73bf5a7
183,668,144,404,037,630
Ann
04/16/2022 04:34:18
i.e. that your shape consists of precisely those points which are the same distance away from a focus and a directrix
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help-10
a64aafd785a648ff9de31b68c73bf5a7
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 04:36:31
So the method of proving it should be the same as the method of deriving the parabola focus and directrix formula
1
0
null
null
null
null
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1,915
help-10
a64aafd785a648ff9de31b68c73bf5a7
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 04:36:59
Is that all??
1
0
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1,915
help-10
a64aafd785a648ff9de31b68c73bf5a7
183,668,144,404,037,630
Ann
04/16/2022 04:39:15
i don't know, cause you didn't say what kind of 'shape' you're looking at or how exactly the shape is given to you
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1
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help-10
a64aafd785a648ff9de31b68c73bf5a7
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 04:40:29
Let's say it's on the graph
1
0
null
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1,915
help-10
a64aafd785a648ff9de31b68c73bf5a7
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 04:41:37
Or we can't prove it unless it's in a shape like a cone
1
0
null
null
null
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help-10
a64aafd785a648ff9de31b68c73bf5a7
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 04:41:46
???
1
0
null
null
null
null
null
1,915
help-10
a64aafd785a648ff9de31b68c73bf5a7
183,668,144,404,037,630
Ann
04/16/2022 04:44:08
_on the graph_? so all you're given is a drawing?
0
1
null
null
null
null
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1,915
help-10
a64aafd785a648ff9de31b68c73bf5a7
183,668,144,404,037,630
Ann
04/16/2022 04:44:15
and asked to _prove_ that it's a drawing of a parabola?
0
1
null
null
null
null
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1,916
help-10
dd577f6f620348d3949e45f0da45a241
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 05:14:12
Yes
1
0
null
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null
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1,916
help-10
dd577f6f620348d3949e45f0da45a241
183,668,144,404,037,630
Ann
04/16/2022 05:14:41
then it's impossible
0
1
null
null
null
null
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1,916
help-10
dd577f6f620348d3949e45f0da45a241
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 05:14:49
Ah ok
1
0
null
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1,916
help-10
dd577f6f620348d3949e45f0da45a241
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 05:14:59
Thx
1
0
null
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null
null
null
1,916
help-10
dd577f6f620348d3949e45f0da45a241
626,440,451,116,761,100
Paaasta🤌🤌🤌🤌
04/16/2022 05:15:07
.close
1
0
null
null
null
null
null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:38:50
https://cdn.discordapp.c…250/IMG_2127.jpg
IMG_2127.jpg
1
0
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null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:39:01
I need help with the first question
1
0
null
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null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:39:57
I don’t understand how or what I need to do to prove it
1
0
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1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
183,668,144,404,037,630
Ann
04/16/2022 05:44:26
make a diagram
0
1
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1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
183,668,144,404,037,630
Ann
04/16/2022 05:44:34
and it might become clearer
0
1
null
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null
null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
183,668,144,404,037,630
Ann
04/16/2022 05:44:36
@DontalRulz
0
1
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null
null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:44:48
Ok
1
0
null
null
null
null
null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:44:53
Wait ere’
1
0
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null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:48:10
Not sure how to draw XY cuts Z but this is what I’ve done so far.
https://cdn.discordapp.c…714/IMG_2130.jpg
IMG_2130.jpg
1
0
null
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null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
183,668,144,404,037,630
Ann
04/16/2022 05:48:45
you have made a mistake in your diagram
0
1
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1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
183,668,144,404,037,630
Ann
04/16/2022 05:48:53
reread the problem statement
0
1
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1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:48:54
Yeah thought so. What is it
1
0
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help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
183,668,144,404,037,630
Ann
04/16/2022 05:49:06
the triangles are not ABX and ABY
0
1
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1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:49:14
Oh fuck
1
0
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null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:49:18
Wait let me retry
1
0
null
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null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:53:34
That?
1
0
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null
1,917
help-10
f0bcfaf4468d47f1a6d1736bbfcb0b09
536,452,419,219,882,000
DontalRulz
04/16/2022 05:54:03
https://cdn.discordapp.c…522/IMG_2132.jpg
IMG_2132.jpg
1
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