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Handout
Purplemath: Right Triangle Word Problems Handout
Purple Math

Purplemath: Right Triangle Word Problems

For Students 9th - 10th
Demonstrates how to translate, set up, and solve basic right-triangle word problems.
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Unknown Type
Khan Academy: Reciprocal Trig Ratios Unknown Type
Khan Academy

Khan Academy: Reciprocal Trig Ratios

For Students 9th - 10th
Understand the right triangle definition of sec, csc, and cot ratios.
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eBook
Ck 12: Interactive Geometry: 17.4 Inverse Trigonometric Ratios eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 17.4 Inverse Trigonometric Ratios

For Students 9th - 10th Standards
Define the trigonometric ratios in terms of ratios of the sides of a right triangle.
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