Question

taking A=60° and B=30° verify that sin (A-B)=sin A cos B-cos A sinB

Answer 1

here is your answer

Answer 2

Answer:

Step-by-step explanation:

sin(60-30)=root3/2×root3/2-1/2×1/2

1/2=3/4×1/4

1/2=1/2.

Hence proved.