MS 101/3 Test two Name:

1. _________ Find the arc length in the diagram on the right.
2. _________ Find the area of the sector in the diagram on the right.
3. _________ Convert $\frac{\pi }{12}$ to an angle in degrees.
4. _________ Convert 225° to radians.
5. For the following exercises, use the figure to evaluate each trigonometric function of angle A.
   
   1. sin A = _________
   2. cos A = _________
   3. tan A = _________
6. For the following exercises, use the figure to answer the questions.
   
   • b = _________
   • c = _________
7. (_________, _________) Find the coordinates of the point on a circle with radius 20 corresponding to an angle of 220°
8. Nine points are spaced equally around a 360° unit circle.
   
   1. _________ What is the angle of the shaded area?
   2. ( _________ , _________) What are (x,y) coordinates of the point A?