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Prove that : Sin^2 θ - Cos^2 θ = (1-cos^2 θ)(1-2 sin^2 θ cos^2 θ)
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#2_pi_classes #class10maths
#ProvethatSin2θminusCos2θisequalto1minuscos2θ
Prove that : Sin^2 θ - Cos^2 θ = (1-cos^2 θ)(1-2 sin^2 θ cos^2 θ)
#ProvethatSin2θminusCos2θisequalto1minuscos2θ
Prove that : Sin^2 θ - Cos^2 θ = (1-cos^2 θ)(1-2 sin^2 θ cos^2 θ)
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