Question

2 Evaluate :
(a) sin 60° cos 30° + cos 60° sin 30°
On
in coin​

Answer 1

Answer:

(√3/2 x √3/2) + (1/2 x 1/2)

3/4 + 1/4

1

Answer 2

Answer:

sin60° cos30°+cos60° sin30°.

sin60°=√3/2.

cos30°=√3/2.

cos60°=1/2.

sin30°=1/2.

sin60° cos30°+cos60° sin30°=√3/2 √3/2+1/2 1/2.

=(√3/2)²+(1/2)².

=3/4+1/4.

=3+1/4.

=4/4.

=1.