- MA5-TRG-C-01 applies trigonometric ratios to solve right-angled triangle problems
📖 Prior Knowledge
| Content | Prerequisite relationships |
|---|---|
| Right-angled Triangles | - Identify the hypotenuse → Label sides of a right-angled triangle |
| Equations A | - Solve linear equations with one algebraic fraction → Find an unknown side in the denominator |
| Properties of Geometrical Figures A | - Describe properties of similar figures → Explain the constancy of trig ratios |
Demonstrate and explain the constancy of trigonometric ratios for a given angle in right-angled triangles.pdf
- Identify and label the hypotenuse, adjacent and opposite sides with respect to a given angle in a right-angled triangle in any orientation
- Define the sine, cosine and tangent ratios for angles in right-angled triangles and use trigonometric notation sin, cos, tan
- Identify the sine, cosine and tangent ratios in a right-angled triangle
- Verify the constancy of the sine, cosine and tangent ratios for a given angle by applying knowledge of similar right-angled triangles
- Find approximations of the trigonometric ratios for a given angle
- Find the size of an angle given one of the trigonometric ratios for the angle using digital tools
Apply trigonometry to solve right-angled triangle problems.pdf
- Apply trigonometry to find the lengths of unknown sides in right-angled triangles with a given angle including angles in degrees and minutes
- Apply trigonometry to find the size of unknown angles in right-angled triangles including in degrees and minutes
- Solve a variety of practical problems involving trigonometric ratios in right-angled triangles