# Find the Range r=2cos(theta)

Find the Range r=2cos(theta)
Find the magnitude of the trig term by taking the absolute value of the coefficient.
The lower bound of the range for cosine is found by substituting the negative magnitude of the coefficient into the equation.
The upper bound of the range for cosine is found by substituting the positive magnitude of the coefficient into the equation.
The range is .
Interval Notation:
Set-Builder Notation:
Do you know how to Find the Range r=2cos(theta)? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.