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Required Materials for Advanced Math
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In a previous unit, we gave a brief introduction to trigonometric relationships and how they can be used to find unknown angle measurements given two sides of a right triangle. This method was useful in determining the rotation angle of Complex numbers under multiplication. Trigonometry’s applications go beyond Complex numbers and simple angle measurement. Radio waves, computer micro-circuitry and electronics, stress analysis in architecture, global navigation and sound acoustics all depend on trigonometry in one form or another. Over the course of the next few units, we will examine trigonometric relationships in more detail and learn to analyze certain real world situations according to trigonometric principles.

Six Trig Functions (02:33)

Six Trig Functions and More (12:13)

Trigonometric Values (07:08)

Solving Right Triangles (04:15)

Below are additional educational resources and activities for this unit.

Right Triangle Trigonometry

Angles and Angle Measure