let f(x)=e^(cos^(-1)sin(x + pi/3)) then ...

let `f(x)=e^(cos^(-1)sin(x + pi/3))` then `f((8pi)/9) and f((-7pi)/4)`

A

`f((8pi)/9)= e^(5pi//18)`

B

`f((8pi)/9) = e^(13pi//18)`

C

`f (- (7pi)/4) = e^(pi//12)`

D

`f(- (7pi)/4) = e^(11pi//12)`

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The correct Answer is:

B, C

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