The angle is .
The angle of consists of 2 and half revolution () followed by a rotation through .
The angle is measured by the ammount of rotation from the initial side to terminal side.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5b50c378849bdd8f274cfdcc158204e9.png\")
..![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5b50c378849bdd8f274cfdcc158204e9.png\")
consists of 2 and half revolution (![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7136689cfd215e39174b3270b564b4c7.png\")
) followed by a rotation through ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7360715c1b189d28426c46e1c7bc58b0.png\")
.![\"\"](\"/userfiles/52-359-22.gif\")