Question

5) The value of cosA cos (60° - A)cos (60° +A)
is equal to.....
A)1/2 cos 3A
B) cos 3A
C)1/4 cos 3A
D)4 cos 3A​

Answer 1

Answer:

b is correct

Step-by-step explanation:

i think my answer is correct pls mark as brainlist and pls follow me