If \frac{1}{1\: + \:\tan \:\theta }\: + \:\frac{1}{1\:−\:\tan \:\theta }\: = \:4,\:0^{ \circ } < \:\theta \: < \:90^{ \circ }, then what is the value of (cosec 2 θ + sec 2 θ)

RRB NTPC CBT 2 Level 6 Exam 9 May 2022 Shift 1

Question : 8 of 120

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\;{1}/{1\:\;+\;\:\tan\;\:θ\;}\: + \:\;{1}/{1\:−\:\tan\;\:θ\;}\: = \:4,\:0^{ ∘ } < \:θ \: < \:90^{ ∘ }

, then what is the value of (cosec² θ + sec² θ)

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