Consider the graph shown of a transformed cosecant function. This function takes the form y=Acsc(B(x-D))+C, where B is sometimes called the angular frequency and C is the vertical shift.

Identify the values of B and C:

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?