1. Check the mode on your Calculator! INVERSE TRIG FUNCTIONS Have out a sheet of paper, calculator and Pencil!

2. INVERSE TRIG FUNCTIONS

3.  Use your calculator to find each angle measure to the nearest degree.  Cos -1 (0.87)  Sin -1 (0.85)  Tan -1 (0.71) EXAMPLES

4.  Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.  ST  m<R  m<S EXAMPLE

5.  Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.  EF  DF  m<D EXAMPLE

6.  Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.  DF  m<D  m<F EXAMPLE

7. Page 538 #22-34 even, 46- 52 even ASSIGNMENT