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# Sine Omega Identity

Prove that

$4 \sin (x) \sin (\omega x) \sin (\omega^2 x) = - (\sin (2x) + \sin (2 \omega x) + \sin (2 \omega^2 x))$

 Notation: $$\omega$$ denotes a primitive cube root of unity.

Note by Ishan Singh
1 month, 1 week ago

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