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Chapter 6: Q.96 (page 396)

What is the domain of cosine function

Short Answer

Expert verified

Set of all real numbers is the domain of cosine function

Step by step solution

01

Given information

We are given a cosine function

02

Explanation

As we have $y = \cos (θ)$ the function exist for all values of $θ$ . hence the set of real numbers is the domain of the function.

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Most popular questions from this chapter

Convert angle in radian to degree-

$\frac{π}{3}$

Use a calculator to find the approximate value of each expression rounded to two decimal places.

$\sin 28 °$

In Problems 13–20, $P = (x, y)$ is the point on the unit circle that corresponds to a real number $t$ . Find the exact values of the six trigonometric functions of $t$ .

$(\frac{\sqrt{3}}{2}, \frac{1}{2})$ .

Convert angle in radian to degree-

$\frac{π}{2}$

Convert each angle in degrees to radians. Express your answer as a multiple of $π$ .

$- 180 °$

See all solutions

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