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OpenStudy (anonymous):
tan theta equals 20-21. Theta is between pi and 3pi/2. What is sin2theta
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OpenStudy (zzr0ck3r):
and by 20-21 you mean -1?
OpenStudy (zzr0ck3r):
so tan(x) = -1
OpenStudy (anonymous):
oops i mean 20/21
OpenStudy (zzr0ck3r):
what is tan^(-1)(20/21)?
OpenStudy (anonymous):
?
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OpenStudy (zzr0ck3r):
oh sorry, are you guys doing soh cah toa in class?
OpenStudy (anonymous):
yes we did it
OpenStudy (zzr0ck3r):
tan = opposite over adjacent
OpenStudy (zzr0ck3r):
|dw:1370233743437:dw|
OpenStudy (zzr0ck3r):
can you find the other length?
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OpenStudy (anonymous):
oh isee iwill try. Thanks alot
OpenStudy (anonymous):
but wait just in case ty
OpenStudy (anonymous):
i still don't get how to get the value for sin 2theta. I got sin theta though
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