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The value of t a nthetasin(pi/2+theta)co...

The value of `t a nthetasin(pi/2+theta)cos(pi/2-theta)` is..................... a. `-1` b. `1` c. `cos^(2) theta ` d. `sin ^(2) theta`

A

1

B

0

C

`cos^(2) theta `

D

`sin ^(2) theta`

Text Solution

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The correct Answer is:
D
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