Question

is that right to say sin (A+B)= sinA+sinB​

Answer 1

Answer:

no it's not the correct.the correct formula of sin(A+B)=sinA cosB+cosA sinB

Answer 2

no it is not right

for example,

let A=60°,B=30°

sin(A+B)=sinA+sinB

sin(60°+30°)= sin60°+sin30°

sin90°= √3/2+1/2

1=||=√3+1/2