A,B,C are interior angle of∆ABC .Prove that cosec(a+b)÷2=sec c ÷2
Answers
Answered by
2
by Asp and identity
Attachments:
Saifkhan807:
Ok
Similar questions
Accountancy,
6 months ago
Economy,
6 months ago
Music,
6 months ago
Math,
1 year ago
Science,
1 year ago