cot(pi/4+theta)cot(pi/4-theta)"is".........

`cot(pi/4+theta)cot(pi/4-theta)"is"`.................. A) 0 B) `-1` C) 1 D) `-2`

A

0

B

`-1`

C

1

D

`-2`

Verified by Experts

The correct Answer is:

C

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