Question

cos 2B + cos 2 A
cos 2B - cos 2 A
a) cos(A - B). cos (A - B)
c) tan(A + B). tan(A-B)
b) cot(A + B). cot(A,B)
d) sin (A + B), sin (A-B)​

Answer 1

Answer:

bro its too hard for me i m not getting the solution...

Answer 2

Answer:

l don't no srry bro .........