faisalabdul16
Wot
- Joined
- Feb 16, 2014
- Messages
- 2,258
- Gender
- Male
- HSC
- 2014
I'm not sure, the person who originally posted the question did not specify, but yes the domain determines if positive or negativeAlso, is 0 < theta < 90? or 270 < theta < 360? Depending on which of these conditions are specified will determine whether tan(theta/2) is positive or negative.