Question

2 sin 50 . cos 60 solve this problem
​

Answer 1

Answer

2sinA cosB = sin(A + B) - sin(A - B)

A=50   B=60

2 sin 50 . cos 60=sin(50 + 60) - sin(50 - 60)

=sin110-sin(-10)

= 0.9396+sin 10

=0.9396+0.1736

=0.11132