The diagram shows a right-angled triangle ABC in which AC-60 cm. Angle ABC-36.9 Using as much of the information below as is necessary, find (a) the length of AB, (b) the length of BC. 60 cm 36.9 | sin 36.9 - 0.8, cos 36.9-0,6 tan 36.9 - 0.75 |

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.