Chapter 8, Problem 10SGR

To determine

Whether each sentence is true or false.

Answer to Problem 10SGR

True.

Explanation of Solution

Given:

The given sentence is:

The trigonometric ratio is a ratio of the lengths of two sides of a right triangle.

Calculation:

The trigonometric ratio is a ratio of the lengths of two sides of a right triangle.

Consider the triangle:

  

Here; $\frac{BC}{AC}$ is the trigonometric ratio.

It can be defined as $\sin A\text{ or cos C}\text{.}$

Hence, the given sentence is true.