Question
Prove the following:
Solution
Let 
R.H.S. = 
= sin (x + y) - sin (x - y)
= 
= sin C - sin D = L.H.S.
Hence, 
Prove the following:
Let
R.H.S. =
= sin (x + y) - sin (x - y)
=
= sin C - sin D = L.H.S.
Hence,
Mock Test Series
