Standard Form of Secant Function

Author:
Accesscd
This is the graph of y = a*csc(b*x -c). At the base level, a and b = 1 and c = 0. 1. What happens when a is positive? Negative? When 2. What happens when b is positive? Negative? When 0<|b|<1 3. What happens when c is positive? Negative?