# Describe and Graph a Transformation of the Cosine Function (Period Pi)

This video explains how to determine a transformation of a cosine function. The transformation is described and the function is graphed.

# Describe and Graph a Transformation of the Cosine Function (Period Not Pi)

This video explains how to determine a transformation of a cosine function. The transformation is described and the function is graphed.

# Find an Equation of a Transformed Cosine Function: y=acos(bx+c)+d (2)

This video explains how to determine a possible equation of a transformation of the cosine function.

# Find an Equation of a Transformed Cosine Function: y=acos(bx+c)+d

This video explains how to determine a possible equation of a transformation of the sine function.

# Graph a Cosine Transformation in the Form: y=acos(bx+c)+d

This video explains how to graph a transformation of the cosine function.

# Evaluate Inverse Secant Expressions Using Reference Triangles

This video explains how to use reference triangles to evaluate inverse trigonometric expressions.

# Evaluate Inverse Cotangent Expressions Using Reference Triangles

This video explains how to use reference triangles to evaluate inverse trigonometric expressions.