Lesson 13: Trigonometric Ratios

Students apply similarity in right triangles to understand right triangle trigonometry, with particular attention to special right triangles and the Pythagorean Theorem. This lesson is designed for approximately 90 to 120 minutes, but time may vary depending on the background of the students. Focus/Driving Question: How are trigonometric ratios derived from the properties of similar triangles ... ................
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