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GeoGebraGeoGebra Lesson

Trig 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.

Write down what SOHCAHTOA means.

Is 4,5,6 a right triangle?

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

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

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