# Trig ratios in all four quadrants

> In Grade 10 you learned to define the three basic trigonometric ratios (sine, cosine and tangent) using a right-angled triangle. In Grade 11 we extend these definitions to angles of any size by…

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## Full notes

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## More in Trigonometry

- [Sine rule, cosine rule and area rule](https://www.hlayiso.com/grade-11/technical-mathematics/notes/trigonometry/sine-rule-cosine-rule-and-area-rule) — Next section
- [All Trigonometry sections](https://www.hlayiso.com/grade-11/technical-mathematics/notes/trigonometry)

## Frequently asked questions

### What will I learn in "Trig ratios in all four quadrants"?

This section covers Trig ratios in all four quadrants as part of Trigonometry in Grade 11 Technical 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 "Trig ratios in all four quadrants", are written against the official CAPS curriculum and ATP for Grade 11 Technical Mathematics.

### What should I study after "Trig ratios in all four quadrants"?

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

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