(1 + cosec⁡ θ) (1 – cosec⁡ θ) + cot^2⁡ θ is _____(a) Cot ⁡θ(b) 0(c) 1(d) Tan ⁡θI have been asked this question during a job interview.I would like to ask this question from Trigonometric Identities in portion Trigonometry of Mathematics – Class 10

(1 + cosec⁡ θ) (1 – cosec⁡ θ) + cot^2⁡ θ is _____(a) Cot �

1.	(1 + cosec⁡ θ) (1 – cosec⁡ θ) + cot^2⁡ θ is _____(a) Cot ⁡θ(b) 0(c) 1(d) Tan ⁡θI have been asked this question during a job interview.I would like to ask this question from Trigonometric Identities in portion Trigonometry of Mathematics – Class 10
Answer» Correct answer is (B) 0 For EXPLANATION: (1 + cosec⁡ θ) (1 – cosec θ) + cot^2 ⁡θ = (1 – cosec^2 θ) + cot^2 θ = -cot^2⁡ θ + cot^2⁡ θ(&because; cosec^2 A – cot^2 A = 1) = 0

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