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If cos25^(@)+sin25^(@)=p , then cos50^(...

If `cos25^(@)+sin25^(@)=p` , then `cos50^(@)` is

A

`sqrt(2-p^(2))`

B

`-sqrt(2-p^(2))`

C

`psqrt(2-p^(2))`

D

`-psqrt(2-p^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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