Question

find the value of cos 60°×cos 30°+sin 60°×sin 30​

Answer 1

Answer:

$\sqrt{3 \2}$

Step-by-step explanation:

cos60°=1/2

cos30°=√3/2

sin60°=√3/2

sin30°=1/2

1/2×√3/2+√3/2+1/2

=√3/4+√3/4

take the lcm

√3+√3/4

=2√3/4

=√3/2 ans.