Question

express sin67+cos75 in terms of trigonomatric ratio of angles between 0° to 45°

Answer 1

Heya !!

sin67° + cos75°

=> sin(90°–23°) + cos(90°–15°)

=> cos23° + sin15°

Answer 2

heyy

sin(90-23)+cos(90-15)
cos23+sin15