Math, asked by kaberighosh222, 16 days ago

find the general solution of cos 3x= cos x

Answers

Answered by jhumpasamanta9840

2

Answer:

$\cos(3x) = \cos(x) \\ 3x = x \\ 0 = 3x - x \\ 0 = \frac{2x}{0}$

$answer = 0$

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