Question

sign (a + b)is equals to Sin A + sin b​

Answer 1

Answer:

No

Explanation:

Sin(A+B)=sinAcosB+cosAsinB

Answer 2

Answer:

Explanation:

2 cosA sinB = sin(A + B) − sin(A − B) 2 cosA cosB = cos(A + B) + cos(A − B) 2 sinA sinB = cos(A − B) − cos(A + B)