Trigonometry lesson 1 - what are trigonometric ratios

1,969 views · Published 24 February 2013 · 8:04 · Indexed 17 October 2026

Channel: Magic Monk · 2013 · Education

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In this first lesson on trigonometry, you learn about how to label the sides of a right angle triangle as opposite, adjacent and hypotenuse, and how to calculate the trigonometric ratios sine, cosine and tangent.

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