# Solve a Trig Equation Using Reciprocal Identities: 2cos^2(x)-cot(x)=0

This video explains how to solve a trig equation using reciprocal identities.

# Example 1: Solving a Trig Equation with a Multiple Angle (Radians)

This video explains how to solve a trigonometric equation with a multiple angle using u-substitution.

# Solving Trig Equations IV Part 2: Half and Multiple Angle Using Trig Substitution

This video explains how to solve a trigonometric equation with a half or double angle using trigonometric substitution.

# Solving Trig Equations IV Part 1: Half and Multiple Angle Using U-substitution

This video explains how to solve a trigonometric equation with a half or multiple angle using u-substitution.

# Graph the Solution to a System of Inequalities. (Quadratic/Linear) No Solution

This video explains how to graph the solution to a system of inequalities with a quadratic inequality and a linear inequality.

# Graph the Solution to a System of Inequalities. (Quadratic/Linear) Unbounded

This video explains how to graph the solution to a system of inequalities with a quadratic inequality and a linear inequality.

# Graph the Solution to a System of Inequalities. (Quadratic/Linear) Bounded

This video explains how to graph the solution to a system of inequalities with a quadratic inequality and a linear inequality.