More Lessons for Trigonometry

Math Worksheets

A series of free Trigonometry Lessons.

Find Missing Sides and Angles using, Angle of Elevation and Depression, Find the Height of an Object Using Trigonometry.

Right Triangle Trigonometry Part 1: Finding Missing Sides

This video introduces evaluating trigonometric functions about a right triangle. We will set up the trig ratios given a right triangle, and find missing angle measures, and sides of right triangles using the Pythagorean theorem and the trig functions.

This video show some more examples or right triangle trigonometry on Geometry application problems that involve Angle of Depression and/or Elevation.

In this video, we find the height of a balloon by knowing a horizontal distance and an angle.

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