Special Angles

This section derives the exact values of $\sin\theta$ , $\cos\theta$ and $\tan\theta$ at the special angles $0^\circ$ , $30^\circ$ , $45^\circ$ , $60^\circ$ and $90^\circ$ , without a calculator. A decimal on a screen is a check, not the answer the paper wants…

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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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