The value of (2\cos ^{2}⁡\theta −1) [\frac{1 + \tan ⁡\theta }{1−\tan ⁡\theta } + \frac{1−\tan ⁡\theta }{1 + \tan ⁡\theta }] is:

SSC CPO 9 Nov 2022 Shift 1 Paper

Question : 150 of 200

Marks: +1, -0

The value of

(2\cos ^{2}⁡θ −1) [\;{1\;+\;\tan\;⁡θ\;}/{1−\tan\;⁡θ\;} + \;{1−\tan\;⁡θ\;}/{1\;+\;\tan\;⁡θ\;}]

is:

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