1. Solve Right Triangles Ch 7.7

2. Solving right triangles What you need to solve for missing sides and angles of a right triangle: – 2 side lengths – or – A side and an angle

3. Inverse Trigonometric Ratios

4. Find the measure of angle C Ask yourself, “what 2 sides do I have?” Ask yourself, “what trig function should I use? Sine? Cosine? Or Tangent?” Set up the ratio Find the angle measure. opposite adjacent

5. Find the m óC and m óA

6. Solve the triangle

12. Assume the given angle is acute, find the angle measure to the nearest tenth sin A = 0.78