Graphs of Tangent and Cotangent
Basic Shapes of Tangent and Cotangent
Types of Problems:
Notes & Handouts 
Practice 
Video and other resources 
Four Basic Transformations of Tangent and Cotangent
Types of Problems:
Notes & Handouts 
Practice 
Video and other resources 
Multiple Transformations of Tangent and Cotangent
Types of Problems:

Practice 
Video and other resources 