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cos^-1 (1/2) + 2 sin^-1 (1/2)....

`cos^-1 (1/2) + 2 sin^-1 (1/2).`

A

`(2pi)/3`

B

`(3pi)/3`

C

`2pi`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
`cos^(-1)1/2+2sin^(-1)1/2=pi/3+(2 xx pi/6)=(pi/3+pi/3)=(2pi)/3`.
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