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OpenStudy (anonymous):
2sin(theta/2)cos(theta/2)
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OpenStudy (anonymous):
what are you wanting to do here?
OpenStudy (kc_kennylau):
Do you recall the formula of \(\sin(2A)\)?
OpenStudy (anonymous):
rewriting the expression using lowering powers
OpenStudy (kc_kennylau):
Do you recall the formula of sin(2A)?
OpenStudy (anonymous):
1-cos(2A)/2
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OpenStudy (kc_kennylau):
other than that?
OpenStudy (anonymous):
or 2sintheta costheta
OpenStudy (kc_kennylau):
yep exactly
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