# The Law of Cosines

This lesson introduces, proves, and provides examples of the law of cosines.

# Angular Velocity and RPMs Going 50 MPH

This video explains how to determine the angular velocity and revolutions per minutes of a wheel going 50 mph.

# Trig Function Values of Inverse Trig Function Values Using Reference Triangles (Not Q1)

This video explains how to evaluate expressions that are in the form of trigonometric function values of inverse trigonometric function values using reference triangles.

# Inverse Trig Function Values of Trig Function Values Using Ref Tri (Nice Angles B)

This video explains how to evaluate expression that are in the form of inverse trigonometric function values of trigonometric function values using reference triangles.

# Inverse Trig Function Values of Trig Function Values Using Ref Triangles (Nice Angles A)

This video explains how to evaluate expression that are in the form of inverse trigonometric function values of trigonometric function values using reference triangles.

# Trig Function Values of Inverse Trig Function Values Using Reference Triangles

This video explains how to evaluate expressions that are in the form of trigonometric function values of inverse trigonometric function values using reference triangles.

# Inverse Trig Function Values of Trig Function Values Using Reference Triangles (1st Quad)

This video explains how to evaluate expression that are in the form of inverse trigonometric function values of trigonometric function values using reference triangles.