# Special Angles

> This section derives the exact values of sinθ, cosθ and tanθ at the special angles 0°, 30°, 45°, 60° and 90°, without a calculator. A decimal on a screen is a check, not the answer the paper wants…

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## Full notes

This is a preview of the Special Angles notes for Grade 12 Mathematics. Create a free Hlayiso account to read the full notes, practise every question and track your progress.

## More in Trigonometry

- [Using a Calculator](https://www.hlayiso.com/grade-12/mathematics/notes/trigonometry/using-a-calculator) — Previous section
- [Using Reduction Formulae](https://www.hlayiso.com/grade-12/mathematics/notes/trigonometry/using-reduction-formulae) — Next section
- [All Trigonometry sections](https://www.hlayiso.com/grade-12/mathematics/notes/trigonometry)

## Frequently asked questions

### What will I learn in "Special Angles"?

This section covers Special Angles as part of Trigonometry in Grade 12 Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Special Angles", are written against the official CAPS curriculum and ATP for Grade 12 Mathematics.

### What should I study after "Special Angles"?

Continue with the next section in Trigonometry, or test your understanding with the interactive quiz linked to this section.

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