# Effect of a: Amplitude

> This section is the effect of a on y=asinθ and y=acosθ. Amplitude is |a|. NSC Paper 2 only (Trigonometry is about 50 marks). Multiply every y-value of the mother wave by a: the graph stretches away…

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## More in Trig Functions

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## Frequently asked questions

### What will I learn in "Effect of a: Amplitude"?

This section covers Effect of a: Amplitude as part of Trig Functions in Grade 12 Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

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