Question

5. Sin (x - y) =
a) Sin x sin y +cos x cosy
b) Cos x sin y + sin x cosy
c) Sin x cos y - cos x sin y
d) None of the above

PLEASE CAN ANYBODY EXPLAIN ME ​

Answer 1

Answer:

the answer is:

Step-by-step explanation:

(c) sinx cosy- cosx siny

Answer 2

Answer:

Sin x cos y - cos x sin y is right answer