JEE Advanced 2021 Full Test 4 Paper 1
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PART – III
This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.
Mathematics
SECTION – A (One Options Correct Type) This section contains 06 multiple choice questions. Each question has four choices (A), (B), (C) and (D), out of which ONLY ONE option is correct.
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Question : 41 of 54
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If x ∈ [ − 1 , 0 ) , then cos − 1 ( 2 x 2 − 1 ) − 2 sin − 1 x equals
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