engineering recuitment ISRO Scientific Assistant Physics 2020 Mathematics Trigonometry Trigonometric Functions
If cos α - cos β = 2 (sin β + sin α), then the value of sin 3α + sin 3β is equal to
1
sin 6α
2
0
3
-sin 6α
4
None of the above
If cos α - cos β = 2 (sin β + sin α), then the value of sin 3α + sin 3β is equal to