cos^2a+cos^2(a+b)-2cosacosbcos(a+b)=sin^2b
Attachments:
Answers
Answered by
8
thanks for questioning.
Attachments:
Answered by
0
Step-by-step explanation:
Using all basic identity this question can be solved
Attachments:
Similar questions
Science,
7 months ago
Math,
7 months ago
Computer Science,
7 months ago
Computer Science,
1 year ago
English,
1 year ago