The expression is .
is depends on quadrant the terminal side of the angle lies in, but not depends on the odd property of tangent.
So the statement is false.
The statement is false.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9ddc315e3ca1c9b6d4f445b6f2da516c.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9ddc315e3ca1c9b6d4f445b6f2da516c.png\")
is depends on quadrant the terminal side of the angle lies in, but not depends on the odd property of tangent.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")