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Module 1: Graphs of ciruclar functions

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XSIQ
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Intermediate Mathematics - Introduction

Introduction

Circular functions are used to model events which are cyclic. The cycle
may involve the daily changes in temperature; the yearly seasonal changes;
biological cycles; the oscillation of atoms; motion throughout the
universe; the pumping of the human heart; the production of music; the
variations in our electricity supply or the design of electronic
components.

Now view a video on circular functions.

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