# Inverse of trig functions

The inverse of is a relation . Graphically, the inverse relation is obtained by reflecting the graph of about the line .

## Change your f(x) to the three different trig parent functions and explore their inverses. Answer the questions below.

Click 'Show inverse' to display the entire inverse relation. Is it a function? You can click 'Vertical line test' to provide a vertical line which might help you decide.
Can you restrict the domain of to make the inverse a function?

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