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If sin theta(1) sin theta(2) - cos theta...

If `sin theta_(1) sin theta_(2) - cos theta_(1)cos theta_(2)+1=0`, then the value of `tan(theta_(1)//2)cot(theta_(1)//2)` is equal to:

A

`-1`

B

1

C

2

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
A
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