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cot(45+theta)cot(45-theta)=................

`cot(45+theta)cot(45-theta)=`..................... A) ` -1` B) ` 0` C) ` 1` D) `oo`

A

` -1`

B

0

C

1

D

`oo`

Text Solution

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The correct Answer is:
C
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