Using Tangent to find a missing side of a right triangle

4,267 views · Published 22 March 2015 · 2:40 · Indexed 31 October 2026

Channel: MooMooMath and Science · 2015 · People & Blogs

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Using Tangent to find a missing side of a right triangle 

Trig functions can be used with right triangles to find missing sides.
This video works with the trig functions, sine. cosine, and tangent
Sine = Opposite over hypotenuse
Cosine = Adjacent over hypotenuse
Tangent = Opposite over adjacent
With this problem you are given a right triangle with an angle given and one side length.
The trig function tangent is used because you have opposite over adjacent.

You may also enjoy...
Right Triangle Trigonometry Part 1: Finding Missing Sides
https://www.youtube.com/watch?v=pkjuVZUdcvo

Introduction to Trigonometric Functions
https://www.youtube.com/watch?v=cMqetVG8vRU

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