Question

If 2 sin 30 = 1,0° < 30 < 90°, find the value of 50.​

Answer 1

Question

Solve the following question:

2 sin 30 degree + cos 0 degree + 3 sin 90 degree

Solution

2 sin 30 + cos 0 + 3 sin 90

= 2 ( 1/2 ) + 1 + 1

= 1 + 1 + 1

= 3

So ,

2 cos 30 + cos 0 + cos 90 = 3