please answer quickly
Attachments:
Answers
Answered by
0
Answer:
we know coesecA=1/sinA
(1+cosA)/sinA*(1-cosA)/sinA
1-cosAsquare/sinAsquare=sinSequareA/sinsqureA=1=RHS
Similar questions
English,
5 months ago
Computer Science,
11 months ago
Chemistry,
11 months ago
Social Sciences,
1 year ago