3 years ago

Find the answer. sin(A+B) + cos(A+B)

1 answer:

4 0

Recall the compound angle formulae:
sin(A+B) = sinAcosB + cosAsinB
cos(A+B) = cosAcosB - sinAsinB

sin(A+B) + cos(A+B) = sinAcosB + cosAsinB + cosAcosB - sinAsinB

I think?? It looks a little too complicated to be the answer though

(Btw this is Math haha why is this question under English)

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