Using Tangent to find a missing side of a right triangle

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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

Introduction to Trigonometric Functions

* Check out my site
MooMooMath

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oh my gposh! this one is the most helful so far, even though this is an old video and it may be a lower quality than other modern videos, this actually helped me the most! thank you!

kimjunhyuk
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okay so thanks for helping me confirm that i can do it forwards, but now I need to know how to do it backwards too

kaseymaguire