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Find the value of: tan^(-1)[2cos(2sin^(-...

Find the value of: `tan^(-1)[2cos(2sin^(-1)(1/2))]`

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`=tan^(-1)[2 cos(2. pi/6)]`
`=tan^(-1)[2 cos(pi/3)]`
`=tan^(-1)[2. 1/2]`
`=tan^(-1)1`
`=pi/4`
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RD SHARMA-INVERSE TRIGONOMETRIC FUNCTION-Solved Examples And Exercises
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