Math, asked by sweeti11, 1 year ago

Cos4x-cos2x=........

mepuravida: is it cos4x or (cos x) power 4??

sweeti11: cos4x

mepuravida: what is the value of x ??

Answers

Answered by kumari2

4

$\cos(4x) - \cos(2x) = 25 \\$

mepuravida: whats the procedure

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