Solve sin 3- -4sin-sinx- sinx-

3sinα 4sin^3α =4sinα (sin^2x sin^2α) ∴sin^2x=3/4 or sin x=±√(3)2=±sinπ3 ∴ x=nπ±π/3 . ...

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Solve sin 3...

Question

Solve $sin 3 α = 4 sin α sin (x + α) sin (x - α)$ .

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