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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 `-1` b. `1` c. `1/2sin2theta` d. none of these

A

1

B

-1

C

`sin2theta`

D

None of these

Text Solution

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The correct Answer is:
D
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