Skip to main content
Back

Convert Equations Between Polar and Rectangular Forms definitions

Control buttons has been changed to "navigation" mode.
1/15
  • Rectangular Form
    An equation format using x and y variables, often representing lines or circles in Cartesian coordinates.
  • Polar Form
    An equation format using r and theta, describing points or curves based on distance and angle from the origin.
  • r Cosine Theta
    An expression representing the x-coordinate in polar coordinates, linking radius and angle.
  • r Sine Theta
    An expression representing the y-coordinate in polar coordinates, linking radius and angle.
  • r Squared
    A term equivalent to x squared plus y squared, often used to convert circles between forms.
  • Cosecant Theta
    A trigonometric function equal to one divided by sine theta, used in polar equations.
  • Secant Theta
    A trigonometric function equal to one divided by cosine theta, useful for rewriting polar equations.
  • Completing the Square
    A method for rewriting quadratic equations to reveal standard forms, especially for circles.
  • Standard Form
    A recognizable equation format, such as x squared plus y squared equals a constant, identifying geometric shapes.
  • Circle
    A geometric shape represented by x squared plus y squared equals a constant, or r equals a constant in polar.
  • Vertical Line
    A graph described by x equals a constant in rectangular form, or r cosine theta equals a constant in polar.
  • Shifted Circle
    A circle whose center is not at the origin, shown by equations like x squared plus (y minus k) squared equals a constant.
  • Fraction Elimination
    A strategy involving multiplying both sides by a denominator to simplify polar equations for conversion.
  • Trigonometric Function
    A mathematical function involving angles, such as sine, cosine, secant, or cosecant, used in polar equations.
  • Algebraic Manipulation
    The process of rearranging and simplifying equations to facilitate conversion between forms.