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

If `sin(pi cos theta) = cos(pi sin theta)`, then of the value `cos(theta- pi/4)` is

A

`sqrt2`

B

`(1)/(sqrt2)`

C

`-(1)/(2sqrt2)`

D

`(1)/(2 sqrt2)`

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The correct Answer is:

D

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