SOLUTION: Prove sinx + sin3x + sin5x +...+ sin(2n-1)x= sin^2nx/sinx
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Question 1142101
:
Prove
sinx + sin3x + sin5x +...+ sin(2n-1)x= sin^2nx/sinx
Answer by
ikleyn(52884)
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For the proof, look into this link
https://math.stackexchange.com/questions/2298751/prove-by-induction-that-sinx-sin3x-sin-2n-1x-frac1-cos2
https://math.stackexchange.com/questions/2298751/prove-by-induction-that-sinx-sin3x-sin-2n-1x-frac1-cos2
An equivalent statement was proven there.