Question

11. Find the value of x in the following:
(i) cos x = cos60° cos 30° + sin 60%sin 30°
nd​

Answer 1

Answer:

cosx=cos60

∘

cos30

∘

+sin60

∘

sin30

∘

cosx=cos(60

∘

−30

∘

)

cosx=cos30

∘

x=30

∘

Answer 2

hope you understand the solution