Trigonometric Ratios in Right Triangles

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Exploration

GR. 9-12

Skill:

Use trigonometric ratios to represent relationships in right triangles to solve number and word problems.

Trigonometric Ratios in Right Triangles

Discover sine, cosine, and tangent ratios in right triangles. Observe how these ratios change when modifying the triangle.

Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Open-ended question 1

In a 3, 4, 5 right triangle, what are the sine ratios?

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Open-ended question 2

In a 3, 4, 5 right triangle, what are the cosine ratios?

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Open-ended question 3

In a 3, 4, 5 right triangle, what are the tangent ratios?

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