Question

find the value of x if cos2x=cos60 sin30 + sin60 cos30

Proper answer givers will get brainliest !!!

Answer 1

Answer: cos60=1/2 , sin30=1/2 , sin60=√3/2,cos30=√3/2

Step-by-step explanation:

cos2x = 1/2×1/2+√3/2×√3/2

cos2x= 1/4+3/4

cos2x=4/4=1

cos2x=1

cosx=1/2

cosx=60

Check the attachment for all other trigonometric ratios