To find the inverse you must swap x and y, then solve for y.
Is this what you are after?
swapping them over...
Now make y the subject.
Attrributes, properties, characteristics, descriptions.
Minimum value?
Maximum value?
Domain?
Range?
Odd or Even?
Algebraic, Trigonometric, Transcendental?
Useful in finance?
Makes pretty pictures?
What can you say about it?
Try to remember that the Range of the arccosine FUNCTION is NOT .