Question

Evaluate each of the following

(cos 0° + sin 45° + sin 30°)/(sin 90° − cos 45° + cos 60°)

Answer 1

(cos 0° + sin 45° + sin 30°)(sin 90° − cos 45° + cos 60°) …(i)

By trigonometric ratios we have

By substituting above values in (i), we get