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The general value of cos ^(-1)(-1) ...

The general value of ` cos ^(-1)(-1) ` is

A

`2 n pi +- (pi)/(2)`

B

`2 n pi +- (pi)/(3)`

C

`2 n pi +-pi`

D

`2 n pi +- (pi )/(6)`

Text Solution

Verified by Experts

The correct Answer is:
C
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