Right Triangle Trigonometry Activity

Created Feb. 6, 2024 by Linda Gregory

This activity is an introduction to right triangle trigonometry. Students should be able to discover the relationship between sine and cosine ratios of complementary angles. 

Right Triangle Trig Activity:

Download: Trigonometric_Ratios_Activity.docx

Note: Have the students refer to a "Values of Trig Chart" that lists sine, cosine, and tangent values from 0 to 90 degrees. This can easily be found either by searching online or referring to an older math textbook with an appendix listing trig ratios. 

Activity Answer Key:

Download: Right_Triangle_Trig_Activity_Answer_Key.docx


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