- #1
brandon26
- 107
- 0
Prove the identity:
sinA / (1+cosA) = tan (A/2).
Im going no where with this, please help?
![Confused :confused: :confused:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
sinA / (1+cosA) = tan (A/2).
Im going no where with this, please help?