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Choose the correct answer from the bra...

Choose the correct answer from the
bracket.
`cos(tan^-1x),|x|<1` is equal to

A

`frac(x)(sqrt(1-x^2)`

B

`1/sqrt(1-x^2)`

C

`1/sqrt(1+x^2)`

D

`frac(x)(sqrt(1+x^2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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