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Proving Trigonometric identity: sin(2x) = 2sin(x)cos(x)

Autor:Apolinario "Sam" Ortega
Topico(s):Cosseno, Funções, Seno
Proving Trigonometric identity : sin(2x)=2sin(x)cos(x)
Try moving the black sine wave graph. What do you see underneath?

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