Lecture 1 Play Video 
The Three Definitions are Equivalent
In this video lesson, Math Instructor Pat McKeague shows that the three definitions we have for the six trigonometric functions are equivalent to one another.

Lecture 2 Play Video 
Solving Equations 1
In this video lesson, Math Instructor Pat McKeague gives an introduction to solving trigonometric equations.

Lecture 3 Play Video 
Solving Equations 2
In this video lesson, Math Instructor Pat McKeague gives more trigonometric equations.

Lecture 4 Play Video 
Solving Equations 3
In this video lesson, Math instructor Pat McKeague gives more trigonometric equations to solve.

Lecture 5 Play Video 
The Law of Sines
In this video lesson, Math Instructor Pat McKeague teaches The Law of Sines.

Lecture 6 Play Video 
The Law of Cosines
In this video lesson, Math Instructor Pat McKeague teaches the The Law of Cosines. 
Lecture 7 Play Video 
HalfAngle Formulas
In this video lesson, Math Instructor Pat McKeague gives a few problems involving halfangle formulas in trigonometry.

Lecture 8 Play Video 
DoubleAngle Formulas
In this video lesson, Math Instructor Pat McKeague gives a few examples that use doubleangle formulas from trigonometry.

Lecture 9 Play Video 
Trigonometric Identities
In this video lesson, Math Instructor Pat McKeague teaches Trigonometric Identities.

Lecture 10 Play Video 
Graphing a Trig Function
In this video lesson, Math Instructor Pat McKeague teaches how to graph Trigonometric functions: Phase Shift.

Lecture 11 Play Video 
Finding an Equation from a Graph
In this video lesson, Math Instructor Pat McKeague teaches how to find an Equation from a Graph.

Lecture 12 Play Video 
Complex Numbers
In this video lesson, Math Instructor Pat McKeague teaches Complex Numbers. 