Trig.

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Anonymous
Trig. 2016-01-19 03:24:52Post No. 7794594
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Trig. Anonymous 2016-01-19 03:24:52 Post No. 7794594 [Report]

Why are highschools teaching basic trigonometry such as,

"find sin2b if tan b = -3/4 and cosb > 0"

My little brother brought this home, This shit is for like middle schoolers, do other countries really not understand trig.?

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Anonymous 2016-01-19 03:27:32 Post No.7794597
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Anonymous 2016-01-19 03:27:32 Post No.7794597 [Report]

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you must be so smart

I bet your an incredible wealthy inventor or
an incredibly smart researcher who has contributed invaluable resources to their field of study

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Anonymous 2016-01-19 03:39:57 Post No.7794616
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Anonymous 2016-01-19 03:39:57 Post No.7794616 [Report]

>>7794597
offtopic

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Anonymous 2016-01-19 03:54:25 Post No.7794646
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Anonymous 2016-01-19 03:54:25 Post No.7794646 [Report]

>>7794594
OP is a faggot as usual: >>7794613

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Anonymous 2016-01-19 03:56:50 Post No.7794649
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Anonymous 2016-01-19 03:56:50 Post No.7794649 [Report]

>>7794594
>>find sine of b.
(hint it's an easy as fuck Pythagorean triple)
>>>use double angle formula to find sine of 2b

there ya go faggit

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Anonymous 2016-01-19 04:16:08 Post No.7794683
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Anonymous 2016-01-19 04:16:08 Post No.7794683 [Report]

>>7794594
>my little brother
Yeah, okay man.