Question

If A = 30° and B = 60°, then verify that
sin (A + B) = sin A cos B+cos A sin B.​

Answer 1

Answer:

put A=30° AND B=60°

Step-by-step explanation:

SIN (30°+60°)=SIN 30° COS60°+COS30° SIN60°

SIN90°=COS60° COS 60° +SIN 60° SIN 60°

1=COS^260° +SIN^2 60°

1=1

hence proved