Section The Polar Coordinate System 12.1
The keys……
Four Translations Point - Polar to Rectangular Point - Rectangular to Polar Equation - Polar to Rectangular Equation - Rectangular to Polar
Point – Polar to Rectangular
Point – Rectangular to Polar
Equation - Polar to Rectangular
Equation - Rectangular to Polar
Shapes of Polar Curves Graphing Polar Curves on Calculator Finding Points of Intersection (Boundaries of Integration)
The Shapes Lines Circles Cardioid Lemniscate Sprial Rose Curves
The Shapes - Lines Vertical Line Horizontal Line General Line
The Shapes - Circles
The Shapes – Cardioids (Hearts) Note: Extra loop Only if b > a
The Shapes – Lemniscates (Propellers)
The Shapes - Spirals
The Shapes – Rose Curves n even – 2n pedals n odd – n pedals
Graphing Polar Curves on Calculator 1. Change mode to Polar 2. Hit y = (you’ll see r = indicating polar mode) 3. Enter the equation 4.Graphing once should give you a sense of how to change the x, y and theta constraints.
5. Now change the constraints in WINDOW
Finding Points of Intersection (Boundaries of Integration)
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