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If tan(pi.costheta)=cot(pi.sintheta), th...

If `tan(pi.costheta)=cot(pi.sintheta),` then: `cos((pi)/(4)-theta)=.....` (a) `1/2` (b) `1/sqrt2` (c) `1/(2sqrt2)` (d)` sqrt2/2`

A

`1//2`

B

`1//sqrt2`

C

`1//(2sqrt2))`

D

`sqrt2//2`

Text Solution

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The correct Answer is:
C
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