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Find the value of tan {(cos^(-1) (-(2)/(...

Find the value of `tan {(cos^(-1) (-(2)/(7)) - (pi)/(2))}`

A

`(2)/(3sqrt(5))`

B

`(2)/(3)`

C

`(1)/(sqrt(5))`

D

`(4)/(sqrt(5))`

Text Solution

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The correct Answer is:
A
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