Question

Evaluate the following
1) 2 tan 45°- tan 60°
2) sin 30°+ tan 45°-cos 60°
3) cos 60°-sin 60°/sin 60°+cos 60°

Answer 1

Answer:

1) 2×1 - root 3

2- root 3

2) ½ +1 - ½

1+2-½

1

3) ½ - root3/2 / root3/2 + ½

½ + ½ - 1

1-1 = 0