if sin ((pi)/(4) cot theta ) = cos ((pi)...

if `sin ((pi)/(4) cot theta ) = cos ((pi)/(4) tan theta ),` then ` theta ` is equal to :
a)`2 n pi + (pi)/(4)` b)`2n pi pm (pi)/(4)` c)`2 n pi - (pi)/(4)` d)`n pi + (pi)/(4)`

A

`2 n pi + (pi)/(4)`

B

`2n pi pm (pi)/(4)`

C

`2 n pi - (pi)/(4)`

D

`n pi - (pi)/(4)`

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The correct Answer is:

D

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