Question

EXAMPLE 1. Evaluate:
() sin 30° cos 60° + cos 30° sin 60°​

Answer 1

Answer:

1

Step-by-step explanation:

1/2×1/2+√3/2×√3/2

=1/4+3/4

=4/4

=1

sin 30°=1/2, cos 60°=1/2

cos 30°=√3/2, sin 60°=√3/2