Question

cos 1°- cos 89°= sin 89°- sin 1°​

Answer 1

Step-by-step explanation:

cos1°-cos89°=cos(90°-89°)-cos(90°-89°)

=sin89°-sin1°.(proved)

Answer 2

cos1° -cos89°=cos(90°-89°)-cos(90°-89°)=sin89°-sin1°

This is your Answer

hope it helps you