Graphing Lines Using
Polar Coordinate System

  • Graphing Diagonal Lines
  • Graphing Vertical Lines
  • Graphing Horizontal Lines

Diagonal Lines

Desmos File: Polar Graphing θ = ​α
DEGREES in Q1
click on lower right corner to use this online graphing calculator
  • this allows you to plot diagonal lines on the polar coordinate plane
  • angles are measured in degree measures that are inside of quadrant 1

Desmos File: Polar Graphing θ = ​α
EXACT RADIANS in Q1 
click on lower right corner to use this online graphing calculator
  • this allows you to plot diagonal lines on the polar coordinate plane
  • angles are measured in exact radian measures that are inside of quadrant 1

​Desmos File: Polar Graphing θ = ​α 
DEGREES outside Q1
click on lower right corner to use this online graphing calculator
  • this allows you to plot diagonal lines on the polar coordinate plane
  • angles are measured in exact radian measures that are outside of quadrant 1

​Desmos File: Polar Graphing θ = ​α 
EXACT RADIANS outside Q1
click on lower right corner to use this online graphing calculator
  • this allows you to plot diagonal lines on the polar coordinate plane
  • angles are measured in exact radian measures that are outside of quadrant 1

Vertical Lines

​Desmos File: Graphing x = r cos θ
VERTICAL LINES (degrees)
click on lower right corner to use this online graphing calculator
  • this allows you to graph vertical lines on the polar coordinate planes 
  • the angles are measured in degrees

Desmos File: Graphing x = r cos θ
VERTICAL LINES (radians)
click on lower right corner to use this online graphing calculator
  • this allows you to graph vertical lines on the polar coordinate planes 
  • the angles are measured in radians

Horizontal Lines

​​Desmos File: Graphing y = r sin θ
HORIZONTAL LINES (degrees)
click on lower right corner to use this online graphing calculator​​
  • this allows you to graph vertical lines on the polar coordinate planes 
  • the angles are measured in degrees

​Desmos File: Graphing y = r sin θ
HORIZONTAL LINES (radians)
click on lower right corner to use this online graphing calculator​​
  • this allows you to graph vertical lines on the polar coordinate planes 
  • the angles are measured in radians
KA Link: Polar Coordinate System