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Basic Trigonometry Cheat Sheet by

My personal notes for some basic trigonometry last minute before a test, feel free to use it.

Geometric Mean

Best explained as an example, The geometric mean of a = 9 and b = 4 is 6, because 6 = √9*4.

Geometric Mean Right Triangle Theorems

Pythag­orean Theorem

a squared + b squared = c squared (Only for Right Triangles)

30-90-60 Triangles and 45-90-45 Triangles

Soh Cah Toa

Sin()
Opposite / Hypotonuse
Cos()
Adjacent / Hypotonuse
Tan()
Opposite / Adjacent
 

EXAMPLE I CANT EXPlAIN

Continued

Law of Sines

Law of Cosines

 

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