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Double Angle Formula: Prove that sin(2x)=2sin(x)cos(x)

Mathisyourfriend • July 11, 2021
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Double Angle Formula: Prove that cos(2x) = cos^2x - sin^2x

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Double Angle Formula: Prove that tan(2x) = 2tax(x)/1-tan^2(x)

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Double Angle Formula: Prove that sin(2x)=2sin(x)cos(x)

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