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Instructional Video

Intro to the Trigonometric Ratios

Curated and Reviewed by Lesson Planet

This Intro to the Trigonometric Ratios instructional video also includes:

Khan Academy: Intro to the trigonometric ratios
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This video introduces the basics of trigonometry. It starts by defining a right triangle and showing two different examples of finding the ratios of sine, cosine, and tangent using the SOH-CAH-TOA mnemonic. This resource could be used as a quick introduction or review.

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Concepts

cosine, trigonometric ratios, pythagorean theorem, sine, systems of equations, tangent

Additional Tags

cosine, pythagorean theorem, sine, cos, sin, solving right triangles, tan, tangent, Trigonometry, soh-cah-toa, math

Classroom Considerations

This video is hosted on YouTube

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