![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ac0079061eaaa0bbc0367e7965d6e060.png\")
.The function is .
Range is a set of all output values of the function.
\The cotangent function would have range from ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2dac56d518aa93f1cf8a82b426366dde.png\")
to ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7137d9fb8730739db1291a8c2ed2e2b6.png\")
.
For any values of ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=61f0605c8c83c640da102ee554c6ffae.png\")
.
Therefore, the range of the cotangent function is all real numbers.
\ \The range of the cotangent function is all real numbers.