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Right triangles & trigonometry

Ratios in right triangles

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

Sine and cosine of complementary angles

Modeling with right triangles

The reciprocal trigonometric ratios

Ratios in right triangles

Explore how ratios define relationships in right triangles, mastering trigonometric ratios to uncover unknown sides and angles, enhancing problem-solving skills in mathematics.

200+ videos and assessments

Standards aligned

Vetted by experts

VIDEOS

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Using similarity to estimate ratio between side lengths

Khan Academy

•

7th - 10th Grade

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10 Qs

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Using right triangle ratios to approximate angle measure

Khan Academy

•

7th - 10th Grade

•

10 Qs

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