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

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Presentation transcript:

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

INVERSE TRIG FUNCTIONS

 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

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

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

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

Page 538 #22-34 even, even ASSIGNMENT