1. Bell Ringer 5/12/10 Find the value of x. Round your answer to the nearest tenth.

2. Solve each equation for x. Topic: Inverse Functions 1.8y = 56 2.13 + x = 19 3.3x² = 27 The inverse of multiplication is division. The inverse of addition is subtraction.

3. INVERSE functions are used when trying to find unknown ANGLES. What does inverse mean?

4. sin (x) = 3/5Sin -1 (3/5) = 36.9 ° cos (x) = 4/5cos -1 (4/5) = 36.9 ° tan (x) = 3/4tan -1 (3/4) = 36.9 ° x y Try finding y Find the value of x.

5. Use a calculator to approximate the measure of angle A. 1. Tan A = 5.4472 2. Sin A =.8988 3. Cos A =.3846

6. Two Triangles! Find the Measures of the TWO missing Angles. 42 32 x y 9 x y Remind students that INVERSE functions are used when trying to find unknown ANGLES.

7. Solve the right triangle. Round your answers to the nearest tenth.

8. Class Work Finish C-Notes – Write at least 3 sentences summary. Summary should include 2 things you learned and one questions you still have.