Question

the formula of sin (a+b)=?​

Answer 1

Answer:

formula of sin(a+b) is$\sin(a) \cos(b) + \cos(a) \sin(b)$

Answer 2

Answer:

sinAcosB+cosAsinB

Step-by-step explanation:

sin(A + B) = sinA cosB + cosA sinB

sin(A − B) = sinA cosB − cosA sinB

cos(A + B)=cosacosb-sinasinb

cos(A-B)=COSaCosb+SinaSinb