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Trigonometry
pierce321
Jul 21, 2013, 10:26 PM
Question :- If x sin^3θ + y cos^3θ = sin θ cos θ and x sin θ - y cos θ = 0. Prove that x^2 + y^2 = 1.
J_9
Jul 21, 2013, 10:29 PM
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