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Find the values of x in (-pi,pi) which s...

Find the values of `x in (-pi,pi)` which satisfy the equation `8^(1+|cosx|+|cos^2x|+|cos^3x|+...))=4^3`

A

`(pi)/(3)`

B

`- (pi)/(3)`

C

`(2pi)/(3)`

D

All of these

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AAKASH INSTITUTE ENGLISH-SEQUENCES AND SERIES -Assignment (SECTION - B) One option is correct
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