Help your students learn about trigonometry ratios and special right triangles with these 5 mini posters.
The 8.5x11 sheets show how to set up ratios for sin, cos, and tan with the acronym SOH CAH TOA. Posters for 30-60-90 and 45-45-90 special right triangles are included. Two header sheets are also included that read "Trig Ratios" and "Special Right Triangles."
Print them in color, or print them in black and white on colorful paper. Hang them up during your trig unit or all year long. You could also print them at a small scale for students to include in interactive notebooks.
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Trig Guided Notes