Cosec- 4 A 1-cos - 4-2 - 2 A -1

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Trigonometric Identities

Cosec∧ 4 A 1-...

Question

Cosec^4 A(1-cos^4)-2cot^2 A=1

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s i n^{4} A c o s e c^{2} A + c o s^{4} A s e c^{2} A = 1

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