Hi there,

I am stuck on a proof using complex numbers. I have tried almost everything but I seem to get nowhere. Here is the question .

Let a,b be complex numbers. Prove that sin(a+b)= sinacosb + sinbcosa

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- November 25th 2010, 05:30 AMKelvinSccProof of Sine Addition Formula with complex numbers
Hi there,

I am stuck on a proof using complex numbers. I have tried almost everything but I seem to get nowhere. Here is the question .

Let a,b be complex numbers. Prove that sin(a+b)= sinacosb + sinbcosa - November 25th 2010, 05:43 AMPlato
This is just a tedious problem.

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