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Let f(x)=e^cos^((-1)){sin(x+pi/3)}dot Th...

Let `f(x)=e^cos^`((`-1`))`{sin(x+pi/3)}dot` Then, `f((8pi)/9)=` `e^(5pi//18)` (b) `e^(13pi//18)` (c) `e^(-2pi//18)` (d) none of these

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)`

Text Solution

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The correct Answer is:
B, C
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