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If thetaltpi/16 then sqrt(2+sqrt(2+sqrt(...

If `thetaltpi/16` then `sqrt(2+sqrt(2+sqrt(2+2cos8theta)))=`

A

`1/8`

B

`2 cos theta`

C

`2"cos"theta/2`

D

`2"cos"theta/4`

Text Solution

Verified by Experts

The correct Answer is:
B
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