Question

[Maths]
Question :-

Prove that :
(1/sec²Φ - cos²Φ + 1/cosec²Φ -sin²Φ)sin²Φcos²Φ = 1 - sin²Φcos²Φ/2 + sin²Φcos²Φ

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Answer 1

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Prove that :

(1/sec²Φ - cos²Φ + 1/cosec²Φ -sin²Φ)sin²Φcos²Φ = 1 - sin²Φcos²Φ/2 + sin²Φcos²Φ