(sin x + sin y)/(sin x - sin y) = tan (x+y)/2 cot (x-y)/2 . Prove .
Answers
Answered by
1
Step-by-step explanation:
i hope this helps you........
.
Attachments:
Similar questions
Social Sciences,
6 months ago
Social Sciences,
6 months ago
Science,
1 year ago
Math,
1 year ago
English,
1 year ago