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OpenStudy (czarluc):
sin3theta + sin2theta = 1?
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OpenStudy (gorv):
u know formula of sin3 theta??
OpenStudy (czarluc):
wat is it? I only know the double angle ones
OpenStudy (gorv):
okayyy...so \[\sin3\theta=\sin(2\theta+\theta)\]
OpenStudy (gorv):
this u can expand ??
OpenStudy (czarluc):
uhm. general addition formula?
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OpenStudy (gorv):
use sin(A+B) A=2 theta B=Theta
OpenStudy (gorv):
yeah can u expand it ??
OpenStudy (czarluc):
yes
OpenStudy (czarluc):
oh ok . then I would just do some algebraic manipulations.. thank you very much!
OpenStudy (gorv):
yeah ..u got it ..
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OpenStudy (gorv):
welcome:)
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