Trigonometric Ratios

Applying Background Knowledge of Right Triangles and Ratios

Trigonometric ratios are defined using right triangles

In this lesson, we will first be using our knowledge of right triangles and ratios to geometrically define trigonometric ratios.

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To begin our study of trigonometric ratios, we need to remember a few things about right triangles and ratios. The next few pages will help us remember some very important characteristics of right triangles and the definition of a ratio.

Listen

In this lesson, we will first be using our knowledge of right triangles and ratios to geometrically define trigonometric ratios.

Listen

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