if sin alpha + sin beta= a and cos alpha + cos beta= b, show that
1. Sin(alpha+beta)= 2ab/a sq.+b sq.
2. Cos(alpha+beta)= b sq.-a sq./b sq.+a sq.
Answers
Answered by
2
Hope this solution will help you mark as brainliest
Attachments:
Similar questions
Social Sciences,
6 months ago
India Languages,
6 months ago
Math,
11 months ago
Math,
11 months ago
Math,
1 year ago
History,
1 year ago