If x is a real number not divisible by , then for all integers n 1, sin x + sin 3x + sin
Chapter 5, Problem 18(choose chapter or problem)
If x is a real number not divisible by π, then for all integers n ≥ 1,
\(\sin x+\sin 3 x+\sin 5 x+\cdots+\sin (2 n-1) x=\frac{1-\cos 2 n x}{2 \sin x}\).
Text Transcription:
sin x+ sin 3 x + sin 5 x + cdots + sin (2 n-1) x = 1 - cos 2 n x / 2 sin x
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