Question

Solve : Sin 3 30°=3Sin 30°-4 Sin square 30°​

Answer 1

Answer:

sin^2 30 means sin 30*sin 30 = (1/3^0.5)*(1/3^0.5) = 1/3

sin 30^2 means sin 900. Divide 900/180 = 5. Or sin 30^2= sin 900 = sin 5(pi) = 0.