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Let f(x) = e^(cos^(-1)sin(x + pi//3)), T...

Let `f(x) = e^(cos^(-1)sin(x + pi//3))`, Then :

A

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

B

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

C

`f(-(7pi)/4)=e^(pi//18)`

D

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

Text Solution

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The correct Answer is:
B
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