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If sin (pi cos theta)=cos (pi sin theta)...

If `sin (pi cos theta)=cos (pi sin theta),` then the vlaue of ` cos (theta pm (pi)/(4))` is equal to-

A

`cos ""pi/8`

B

`1/2 cos ""pi/8`

C

`cos ""pi/4`

D

`1/2 cos ""pi/4`

Text Solution

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The correct Answer is:
D
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