POLAR COORDINATES Evaluating Polar Functions (Page 5 of 7)

Let's use the table to evaluate the function we defined as r1 for θ = 60° and θ = -135°. Set the independent variable to ASK, then access the table itself by pressing 2nd TABLE.

Down arrow key. Down arrow key. Right arrow key. ENTER key.

2nd TABLE key.

 Calculator screen image. Calculator screen image.

Notice the columns are now labeled with polar variables. Click here if your table is not blank. Enter the values for θ. As each θ-value is entered the corresponding r-value will appear in the r1 column.

60 ENTER key.

Negation key. 135 ENTER key.

 Calculator screen image.
Copyright © 2010 Turner Educational Publishing
Go back to the previous page. Go to the next page. Go to the Table of Contents. Go to the Index page. Go to the Quiz page. Exit to the Home page.