# Determine True Statement About Polygons (Common Core 5/6 Math Ex 3)

This video explains how to determine which statements are true about polygons.

# Solving Trigonometric Equations Using Substitution for Angles

This video explains how to solve a trig equation on a given interval by performing substitution for the given angle.

# Solving Trigonometric Equations Using Identities and Substitution

This video explains how to solve a trig equation on a given interval by performing substitution using a double angle identity.

# Ex 1: Convert Cartesian Coordinates to Cylindrical Coordinates

This video explains how to convert rectangular coordinates to cylindrical coordinates.

# Ex 2: Convert Cartesian Coordinates to Cylindrical Coordinates

This video explains how to convert rectangular coordinates to cylindrical coordinates.

# Ex: Convert Cylindrical Coordinates to Cartesian Coordinates

This video explains how to convert cylindrical coordinates to rectangular coordinates.

# Ex: Determine Where a Polar Curve Has a Horizontal Tangent Line

This video explains how to find dy/dx for a polar equation and then determine where the curve will have a horizontal tangent line.