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Two functions f and g are defined on the...

Two functions f and g are defined on the set of real numbers `RR` by , `f(x)= cos x and g(x) =x^(2)` , then, `(f o g)(x)=`

A

`cos ^(2)x`

B

`cos x^(2)`

C

` sin^(2) x`

D

`sin x^(2)`

Text Solution

Verified by Experts

The correct Answer is:
b
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