Question

1 Find the value of sin 30 cos 45º cos 30"
CASE 2010​

Answer 1

Answer:

1/4

Step-by-step explanation:

sin 30=1/2

cos 45= 1/root2

cos 30=root 3/2

answer = (1/2)(1/root 2)(root3/2)

            = root3/4root 3

            = root(3/48)

            = 1/4