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If sintheta(1)sintheta(2)-costheta(1)co...

If `sintheta_(1)sintheta_(2)-costheta_(1)costheta_(2)+1=0` , then the value of
`tan(theta_(1)//2)cot(theta_(2)//2)` is always equal to

A

`-1`

B

1

C

2

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
A
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