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cos^(-1) ( cos( 2 cot^(-1)(sqrt2 - 1)))i...

`cos^(-1) ( cos( 2 cot^(-1)(sqrt2 - 1)))`is equal to

A

`sqrt2 - 1`

B

`pi/4`

C

`(3pi)/4`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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