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Geometry for School and Home
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Activity 3.8
Assignment 3.9
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Assignment 7.16
Choosing Trigonometric Ratios
Objective
Choose the appropriate trigonometric functions to complete equations in order to find lengths of sides in right triangles.
![Geometry worksheet to help students choose the trigonometric ratio to use to calculate missing side lengths in right triangles.](https://static.wixstatic.com/media/49609e_99a71c22b94a43fa91c06a3ceaf78f6a.jpg/v1/fill/w_404,h_554,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/49609e_99a71c22b94a43fa91c06a3ceaf78f6a.jpg)
About Geometry Worksheet Assignment 7.16:
Assignment 7.16 is an introduction to choosing the correct trigonometric function to use in finding lengths of sides in right triangles.
Prerequisite Skills: Write trigonometric ratios (Assignment 7.12). Solve trigonometric equations (Assignment 7.15).
Definition: (SOHCAHTOA is an acronym for the sin, cos, and tan trigonometric equations.)
S O H C A H T O A
Sin = Opposite Cos = Adjacent Tan = Opposite
Hypotenuse Hypotenuse Adjacent