Iknownothing17
New member
- Joined
- Nov 1, 2007
- Messages
- 6
Ok the question is if tan A= -2/3 and 90 degrees < A < 180 degrees, find sinA
I got -2 sqrt 13/ 13 is that right?? Am I on the right track??
I got -2 sqrt 13/ 13 is that right?? Am I on the right track??