Question

Sino utwo
(1) cosec4 - cosec2 0 = cott 0 + cot0​

Answer 1

(or)

(1 + cot2 θ) – (1 – cos2 θ) [Using cosec2 θ − cot2 θ = 1 and sin2 θ + cos2 θ = 1]. = 1 + cot2 ... (cos2 θ/ sin θ) – cosec θ + sin θ = 0. Solution :.

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