1. OBJECTIVE 8.3 TRIGONOMETRY To use the sine, cosine, and tangent ratios to determine the side lengths and angle measures in right triangles

2. ESSENTIAL UNDERSTANDING If you know certain combinations of side lengths and angle measures of a right triangle, you can use those ratios to find other side lengths and angle measures.

3. DEFINITION Trigonometric Ratios: Similar right triangles have equivalent ratios for their corresponding sides.

4. KEY CONCEPT Trigonometric Ratios AC B b a c

5. BOARD WORK

6. TAKE NOTES

7. BOARD WORK

8. CLASSWORK Pages 510 & 511 11-27 (all) 33-35 (all)