\
The magnitude and its angle is
and
.
\
Vector from its magnitude and direction
:
.
\
\
\
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=94f21a64cf22248f273cc31fb45ebfff.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ec1485d9522397add8f5108e4faa7bd7.png\")
. ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=847b6015ecee47163738ca22fe1f2e51.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=44411160c05c0f342808a8aac40d6b8c.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=52bf5a297a47718b70bbe7bbc8b17bb7.png\")
.