Math, asked by Sarikasree, 4 months ago

Is it right to say cos (60° + 30°) =cos 60° cos30° - sin 60° sin 30° .​

Answers

Answered by Anonymous
6

see attachment!!! Hope it's USEFUL ❤️

Attachments:
Answered by sai172982
0

Step-by-step explanation:

yes cos(a+b) =cosa.cosb-sina.sinb

Similar questions