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# High school geometry

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Pythagorean theorem: Right triangles & trigonometryPythagorean theorem proofs: Right triangles & trigonometrySpecial right triangles: Right triangles & trigonometryRatios in right triangles: Right triangles & trigonometry

Introduction to the trigonometric ratios: Right triangles & trigonometrySolving for a side in a right triangle using the trigonometric ratios: Right triangles & trigonometrySolving for an angle in a right triangle using the trigonometric ratios: Right triangles & trigonometrySine & cosine of complementary angles: Right triangles & trigonometryModeling with right triangles: Right triangles & trigonometry