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

If `tan (pi cos theta)=cot (pi sin theta), 0ltthetalt(3 pi)/(4)` then, `sin (theta+(pi)/(4))` equals

A

`(1)/(sqrt(2))`

B

`(1)/(2)`

C

`(1)/(2 sqrt(2))`

D

`sqrt(2)`

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