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If f(x)=cosx,0lexle(pi)/2 then the real ...

If `f(x)=cosx,0lexle(pi)/2` then the real number c of the mean value theorem is

A

`sin^(-1)((2)/(pi))`

B

`cos^(-1)((2)/(pi))`

C

`(pi)/(6)`

D

`(pi)/(4)`

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The correct Answer is:
A
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