Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

Question

Trying to find the right answer to this..

Anonymous · Accepted Answer

sin 67° + cos 75°
= sin (90° - 23°) + cos (90° - 15°) = cos 23° + sin 15°.

Some More Questions From Some Applications of Trigonometry Chapter