Theory of Intelligence
11TH•Mathematics•Trigonometric Identities•Question 7

(ii)

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(ii)

sin⁡(α+β)=1+cot⁡αtan⁡βcosec⁡αsec⁡β\sin(\alpha + \beta) = \dfrac{1 + \cot\alpha \tan\beta}{\operatorname{cosec}\alpha \sec\beta}

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