Question

How do you graph `y=3csc2(x-(3pi)/4)`?

Answer 1

Graph is inserted. See explanation.

Explanation:

`y=-3csc(3/2pi-2x)=3csc2x`

`|y|>=3`

In the graph, `pi=3.14`, nearly.

The period for the graph is `(2pi)/2=pi`.
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Sample period:`x in (0. pi)`..

graph{ysin(2x)-3=0 [-20, 20, -10, 10]}