Question

Sin30°—2 tan 45°+ cos 60° ÷sin 45°× cos 45°+2 sin30°×cos60°

Answer 1

Answer:

0

Step-by-step explanation:

=1/2-2×1+1/2÷1/√2×1/√2+2×1/2×1/2

=1/2-2+1/2×2+1/2

=1/2-2+1+1/2

=(1-4+2+1)/2

=0 ans.