# Math Help - Relatively simple question.

1. ## Relatively simple question.

I'm having difficulty understanding implied domains and ranges with relation to inverse trig functions which have a normal trig function inside.

For example, f(x) = arccos(sin(x)), how would one go about finding the domain and range of such a function? I understand that the normal arccos domain is -1 to 1, but the inner functions role confuses me.

2. Originally Posted by DefilerAlpha
I'm having difficulty understanding implied domains and ranges with relation to inverse trig functions which have a normal trig function inside.

For example, f(x) = arccos(sin(x)), how would one go about finding the domain and range of such a function? I understand that the normal arccos domain is -1 to 1, but the inner functions role confuses me.
I have uploaded some examples I have handy that might help you see how to answer your questions. If this doesn't help please say so.