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Let f: [(2pi)/(3), (5pi)/(3)]to[0,4] be ...

Let `f: [(2pi)/(3), (5pi)/(3)]to[0,4]` be a function difined as `f (x) =sqrt3 sin x - cos x +2,` then :

A

`f ^(-1) (1) =(4pi)/(3)`

B

`f ^(-1) (1)=pi`

C

`f ^(-1) (2) =(5pi)/(6)`

D

`f ^(-1) (2) =(7pi)/(6)`

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The correct Answer is:
A, D
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