A=60 B=30
cos (a+b)=cos a cos b - sin a sin b
Answers
Answered by
0
Therefore,answer is 0.
Attachments:
Answered by
0
Answer:
Step-by-step explanation:
Similar questions
Math,
7 months ago
Social Sciences,
7 months ago
Math,
7 months ago
Math,
1 year ago
Social Sciences,
1 year ago
Math,
1 year ago