1. Name 3 quadrantal angles
2. What is the proportion used to find arc length?
3. In the second quadrant, is cosine positive or negative?
Thank you!! <3
+36916 1> 90 180 270 degrees
2> (arc degrees)/360 x pi x d
3> Cos is negative in Q2 Sin is positive in Q2
+36916 1> 90 180 270 degrees
2> (arc degrees)/360 x pi x d
3> Cos is negative in Q2 Sin is positive in Q2
