# Rotating vectors and developing sine and cosine curves

> In technical fields such as electrical engineering, alternating current (AC) is the most common form of electrical current. Understanding how sine and cosine curves arise from rotating vectors (also…

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## Full notes

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## More in Trigonometry

- [Trig graphs (sin, cos, tan) and the effect of p](https://www.hlayiso.com/grade-11/technical-mathematics/notes/trigonometry/trig-graphs-sin-cos-tan-and-the-effect-of-p) — Previous section
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## Frequently asked questions

### What will I learn in "Rotating vectors and developing sine and cosine curves"?

This section covers Rotating vectors and developing sine and cosine curves 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 "Rotating vectors and developing sine and cosine curves", are written against the official CAPS curriculum and ATP for Grade 11 Technical Mathematics.

### What should I study after "Rotating vectors and developing sine and cosine curves"?

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

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