Using a Calculator

This section evaluates $\sin\theta$ , $\cos\theta$ and $\tan\theta$ on a scientific calculator, and determines an acute reference angle with $\sin^{-1}$ , $\cos^{-1}$ and $\tan^{-1}$ . You already chose the ratio and named the inverse. CAPS…

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Common questions

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What will I learn in "Using a Calculator"?

This section covers Using a Calculator 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 "Using a Calculator", are written against the official CAPS curriculum and ATP for Grade 12 Mathematics.

What should I study after "Using a Calculator"?

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

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