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Lecture

Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b)

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Home > Mathematics > Trigonometry > Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b) Lecture Details:

Proof of the trig identity sin(a+b) = (cos a)(sin b) + (sin a)(cos b).

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