Prove by induction: For every integer n > 1 [cos(x) + i * sin(x)]^n = cos(nx) + i * sin(nx)
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Originally Posted by thamathkid1729 Prove by induction: For every integer n > 1 [cos(x) + i * sin(x)]^n = cos(nx) + i * sin(nx) Base Step: n = 1 Inductive step, assume the statement is true for n = k, i.e. , try to show the statement is true for n = k + 1, i.e. Q.E.D.
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