Course · Grades 10 to 12
Trigonometry
Right triangles, radians, the unit circle and sine waves.
- Topics
- 3
- Worked examples
- 15
- Practice problems
- 10
Topics
-
Right triangle trigonometry
Use sine, cosine and tangent on right triangles.
Grades 10 to 12
-
Radians and the unit circle
Convert angles and read exact values.
Grades 10 to 12
-
Sine and cosine graphs
Find the period of a wave.
Grades 10 to 12
Worked examples
- How to Find a Missing Side with Sine Right triangle trigonometry
- How to Convert Degrees to Radians Radians and the unit circle
- How to Evaluate sin 30 degrees on the Unit Circle Radians and the unit circle
- How to Find a Missing Angle with Cosine Right triangle trigonometry
- How to Find the Period of a Sine Function Sine and cosine graphs
- How to Find the Period of a Cosine Function Sine and cosine graphs
- How to Find the Amplitude of a Sine Wave Sine and cosine graphs
- How to Find the Phase Shift of a Sine Graph Sine and cosine graphs
- How to Convert Radians to Degrees Radians and the unit circle
- How to Find a Missing Angle with Inverse Sine Right triangle trigonometry
- How to Find a Missing Side with Cosine Right triangle trigonometry
- How to Find the Midline of a Sine Wave Sine and cosine graphs
- How to Evaluate Sine on the Unit Circle Radians and the unit circle
- How to Find a Cosine Value on the Unit Circle Radians and the unit circle
- How to Find a Missing Side with Tangent Right triangle trigonometry
Need the rules first? The Trigonometry formula sheet lists the key formulas and links back to these examples.
Ready to practice?
10 Trigonometry problems with answers, grouped by topic.