briannaharries09 briannaharries09

22-11-2019
Mathematics

contestada

Is it ever possible that sin (A+B)=⁡ (A+B)= sin⁡ A+sin⁡ B?

If so, explain how. If not, explain why not.

Respuesta :

sqdancefan sqdancefan

30-11-2019

Answer:

It will always be the case when A and B are opposites

Step-by-step explanation:

sin(x) = -sin(-x) so ...

sin(A -A) = (A -A) = sin(A) -sin(A) = 0

That is, the given expression is true when B=-A.

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