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Solve for x, if [cos–1x] = [sin–1x] (where [.] represents greatest integral part function).

(A) [–1 , cos 1) 

(B) (cos 1 , sin 1) 

(C) [ – 1, sin 1) 

(D) [sin1, 1]

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Correct Option :- (B) (cos 1 , sin 1)

Explanation :-

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