Find the general solution for each of the following equations:

cos 3x + cos x – cos 2x = 0


Given equations is cos 3x + cos x – cox 2x = 0



2 cos2x cos x – cos 2x = 0


cos 2x( 2cos x – 1) = 0


cos 2x= 0 or 2 cos x – 1 = 0


cos 2x= 0 or cos x = 1/2


where n ϵ Z and Z is set of integers


where n Z and z is set of integers


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