Why sin 2x = 2 sin x cos x

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This is a short video that shows the double angle formula sin 2x = 2 sin x cos x.
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Straight to the point, no BS. Thanks.

CorretorAlyssonGomes
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I like the geometric interpretation of this double-angle formula.

GeoCalifornian
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Great video! I was slightly confused at some points (but that is because I’m 15 and a bit thick...)

gracebutcher
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This is so helpful. Thank you for clearing this up dude.

Viewer
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I am not understanding what (1/h) means.

warrenrogers
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But you didn’t answer the question lol

Brekstahkid