If A=60° and B=30° then prove cos(A+B)=cosA.cosB-sinA.sinB
Answers
Answered by
2
Hi mate,
here's your answer
hope this helps you
pls mark me as brainliest
Attachments:
Similar questions
English,
3 months ago
Accountancy,
3 months ago
Social Sciences,
3 months ago
Social Sciences,
7 months ago
Math,
11 months ago
English,
11 months ago
History,
11 months ago