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Which one will be correct option for co...

Which one will be correct option for
`cos(cot^(-1)(cosec(cos^(-1)a)))=`.........(where ,`0ltalt1)`

A

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

B

`sqrt(3-a^(2))`

C

`sqrt(2-a^(2))`

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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