Question

If A=30degree,verify sin2A=2 sinA cosA

Answer 1

Answer:

sin2A = √3/2

Step-by-step explanation:

A = 30

sin2A = 2 sinA cosA

L.H.S. = sin 2*A= sin 2*30 = √3/2

R.H.S. = 2sinAcosA = 2 sin30 cos30 = 2*(1/2)*(√3/2) = √3/2

LHS = RHS (Verified)