Question

Cos 45 cos 30 +sin 45 din 30

Answer 1

Step-by-step explanation:

cos 45= 1/root 2

sin 45=1/root 2

cos 30= root3/2

sin 30 = 1/2

1/root2 ×root3/2 +1/root 2×1/2

root3 /2root2 +1/2root2

(root3 +1)/2root2