Mathematics, 08.11.2020 14:00 LittlestRedTeal8940

A) Show that sin 3x = 3 sin x - 4 sin³ x b) Use identity in (a) to find all solutions in the interval (-180⁰,180⁰) that satisfy the equation 2 sin 3x + cos 2x - 1 = 0

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A) Show that sin 3x = 3 sin x - 4 sin³ x b) Use identity in (a) to find all solutions in the interv...

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