Im BACK - Professor Leonard Update

I'm BACK - Professor Leonard Update

What in the World Happened to Professor Leonard?!

How to Graph Advanced Polar Equations with Symmetry (Precalculus - Trigonometry 42)

How to Graph Basic Polar Equations (Precalculus - Trigonometry 41)

How to Convert From Polar Equations to Rectangular Equations (Precalculus - Trigonometry 40)

How to Convert From Rectangular Equations to Polar Equations (Precalculus - Trigonometry 39)

How to Convert From Rectangular Coordinates to Polar Coordinates (Precalculus - Trigonometry 38)

How to Convert From Polar Coordinates to Rectangular Coordinates (Precalculus - Trigonometry 37)

Introduction to Polar Coordinates (Precalculus - Trigonometry 36)

Simple Harmonic Motion in Trig (Precalculus - Trigonometry 35)

How to Find the Area of a Triangle with Trigonometry (Precalculus - Trigonometry 34)

How to Use the Law of Cosines in Trigonometry (Precalculus - Trigonometry 33)

How to Use the Law of Sines in Trigonometry (Precalculus - Trigonometry 32)

How to Use Product to Sum and Sum to Product Formulas in Trig (Precalculus - Trigonometry 29)

How to Use the Double and Half Angle Formulas for Trigonometry (Precalculus - Trigonometry 28)

Proving the Double and Half Angle Formulas for Trigonometry (Precalculus - Trigonometry 27)

Using Sum and Difference Formulas in Trigonometry (Precalculus - Trigonometry 26)

Introduction to Sum and Difference Formulas in Trigonometry (Precalculus - Trigonometry 25)

Finding Sides and Angles with Right Triangle Trigonometry (Precalculus - Trigonometry 31)

Introduction to Right Triangle Trigonometry (Precalculus - Trigonometry 30)

How to Prove Trigonometric Identities (Precalculus - Trigonometry 24)

Introduction to Using Trigonometric Identities (Precalculus - Trigonometry 23)

How to Solve Trigonometric Equations (Precalculus - Trigonometry 22)

An Indepth Look at Using Inverse Trig Functions (Precalculus - Trigonometry 21)