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Right triangles & trigonometry

Pythagorean theorem

Pythagorean theorem proofs

Special right triangles

Ratios in right triangles

Introduction to the trigonometric ratios

Solving for a side in a right triangle using the trigonometric ratios

Sine & cosine of complementary angles

Solving for an angle in a right triangle using the trigonometric ratios

Modeling with right triangles

Ratios in right triangles

Explore how ratios in right triangles reveal relationships between angles and sides, enhancing problem-solving skills through trigonometric concepts like sine, cosine, and tangent.

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VIDEOS

Using similarity to estimate ratio between side lengths

Khan Academy

•

7th - 10th Grade

•

10 Qs

Using right triangle ratios to approximate angle measure

Khan Academy

•

7th - 10th Grade

•

10 Qs

Ratios in right triangles

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