Considering the identities, choose the correct option (1) sin 2 θ + cos 2 θ = 1 (2) tan 2 θ + sec 2 θ = 1 (3) cosec 2 θ – cot 2 θ = 1

Correct Answer is : Only (1) and (3) are correct

Bihar Police SI Exam 24-Apr-2022 Shift 1 Paper

Question : 54 of 100

Marks: +1, -0

Considering the identities, choose the correct option
(1) sin²θ + cos²θ = 1
(2) tan²θ + sec²θ = 1
(3) cosec²θ – cot²θ = 1

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