Prove the following identities:
(tan A + cosec B)² - (cot B - sec A)² = 2 tan A.cot B (cosec A + sec B)

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Question

Some Applications of Trigonometry

Prabhat Rajore · Accepted Answer

Prove the following identities:
(tan A + cosec B)² - (cot B - sec A)² = 2 tan A.cot B (cosec A + sec B) - Wired Faculty

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