Math, asked by Ashish6323, 11 months ago

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 rahman786khalilu
2

Hope this solution will help you mark as brainliest

Attachments:
Similar questions