- Demonstrate an understanding of primary trigonometric ratios
- sine, cosine, and tangent ratios
- right-triangle problems: determining missing sides and/or angles using trigonometric ratios and the Pythagorean theorem
- contexts involving direct and indirect measurement
2.1 The Tangent Ratio | Trig Ratio Table
2.2 Using the Tangent Ratio to Calculate Lengths
2.4 The Sine and Cosine Ratios
2.5 Using the Sine and Cosine Ratios to Calculate Lengths