Question

A=30° verify that sin3A=sin^2A×cosA+sinA×cos^2A

Answer 1

Answer:

I think we've  got to put t.he value in

Step-by-step explanation:sin3*30=sin90=1

sin2*30=sin60=root3/2

cos30=roo3/2

sin30=1/2

cos2*30=cos60=1/2

hence  root3/2*root3/2+1/2*1/2=3/4+1/4=1

lhs=rhs

Answer 2

Step-by-step explanation:

Hope this will help you