2 tan 30°/1 + tan^2 30° is equal to : 1. sin 60° 2. cos 60° 3. sec 60° 4. cosec 60°

Hence, option 1 is the correct option.

If cot A = tan A and 0 ≤ A ≤ 90°, the measure of angle A is :
30°
60°
45°
90°

The value of :
cos² 60° - 2 sin³ 30° + 3 cot⁴ 45° is :
1
-2
3
2