Question

find the value of sin 75 degree

Answer 1

Given Sin(A+B) = Sin A Cos B + Cos A Sin B.

Sin 75 = Sin ( 45 + 30) = Sin 45 Cos 30 + Cos 45 Sin 30.

Sin 75 = (1 / √2) ( √3 / 2) + (1 / √2) ( 1 / 2) = [ √3 + 1] / 2√2.

Answer 2

heya,,

sin75°=√3+1/2√2

hope it help you

@rajukumar...☺