prove the identity sin 3 x = 3 sin x - 4 sin ^3 x
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Originally Posted by meli3000 prove the identity sin 3 x = 3 sin x - 4 sin ^3 x See this thread http://www.mathhelpforum.com/math-he...ease-help.html
Hello, meli3000! Prove the identity: . We will need these identites: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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