Question

Find the value of the following :

(i) sin 60° cos 30° + sin 30° cos 60°

(ii) 2 tan² 45° + cos² 30° – sin² 60°

(iii) cos45°/(sec30° + cosec30°)

Answer 1

(i) sin 60° cos 30° + sin 30° cos 60°

(ii) 2 tan² 45° + cos² 30° – sin² 60°

(iii) cos45°/(sec30° + cosec30°)