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[" Examples "4." Explain that "],[quad (...

[" Examples "4." Explain that "],[quad (sin x-sin3x)/(sin^(2)x-cos^(2)x)=2sin x]

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Prove that: ,,(sin x-sin3x)/(sin^(2)x-cos^(2)x)=2sin x

(sin x - sin 3x)/( sin ^(2) x - cos ^(2) x) = 2 sin x

(sin x - sin 3x)/( sin ^(2) x - cos ^(2) x) = 2 sin x

(sin x - sin 3x)/( sin ^(2) x - cos ^(2) x) = 2 sin x

Prove that (sin x-sin 3 x)/(sin ^(2) x-cos ^(2) x)=2 sin x

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sin2x+2sin4x+sin6x= 4cos^(2)xsin4x

prove that sin2x+2sin4x+sin6x=4cos^(2)x.sinx

Prove that (sin4x+sin2x)/(cos4x+cos2x)=tan3x