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Common roots of the equations of cos2x+s...

Common roots of the equations of `cos2x+sin2x=cotx and 2cos^(2)x+ cos^(2)2x=1`

A

`2npi`

B

`npi`

C

`((2n+1)pi)/(4)`

D

`((2n+1)pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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