· Understand and graph variations of y = tan x.· Understand and graph variations of y = cot x.· Understand and graph variations of y = csc x and y = sec x.· Understand and use the inverse sine function.· Understand and use the inverse cosine function.· Understand and use the inverse tangent function.· Use the calculator to evaluate inverse trigonometric functions.· Find exact values of composite functions with inverse trigonometric functions.· Solve applied problems.