Tertiary Catalogue

Introducing Trigonometric Ratios

Trigonometric ratios have many practical uses in the building industry, engineering, astronomy and geography. This clip shows how to calculate sine, cosine and tangent for given angles in right-angled triangles. Follow along as the hypotenuse, adjacent and opposite sides are identified, and the relationships between side lengths and ratios are explored. Ideal for introducing or reinforcing concepts.

Rating: E
Production Year: 2015
Duration: 6 min
Printable Resources: Yes

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