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ChmEBest ResponseYou've already chosen the best response.0
http://www.sosmath.com/trig/Trig5/trig5/trig5.html
 one year ago

ChmEBest ResponseYou've already chosen the best response.0
\[(\sin^3x)(1+\cos^2x)=\sin x\]\[(1+\cos^2x)={\sin x \over \sin^3x}\]\[(1+\cos^2x)={1 \over \sin^2x}\]
 one year ago

MertsjBest ResponseYou've already chosen the best response.0
You may have posted it incorrectly. I don't believe it is true. For example, substitute pi/6 for x and you will get: 1/8(1+3/4)=1/2. Clearly not true.
 one year ago
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