standard_description: Understand that restricting a trigonometric function to a domain on which it is always increasing or always decreasing allows its inverse to be constructed.
problem_activity: Problem 1
Solve. Show or explain your work.
a.
$${91\div20}$$
b.
$${368\div50}$$
Problem 2
Use multiplication to check your answers to both problems in Problem 1.


aligns: no