Trigonometry with right triangles

Progress
Introduction to the trigonometric ratios
Solving for a side in a right triangle using the trigonometric ratios
Solving for an angle in a right triangle using the trigonometric ratios
Modeling with right triangles
Quiz
5 questions
Trigonometric ratios and similarity
Sine and cosine of complementary angles
Trigonometric ratios of special triangles
Introduction to the Pythagorean trigonometric identity
The reciprocal trigonometric ratios
Unit test
10 questions

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About this unit
Learn the basics of trigonometry: What are sine, cosine, and tangent? How can we use them to solve for unknown sides and angles in right triangles?