\
The DeMoivres Theorem : if
, then
.
\
The complex number is
.
\
(Using
DeMoivres Theorem
)
\
\
The result is
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=91b049cfac417525ea0dfadf3249657c.png\")
, then![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1c13570fd54ade0b2522933d3dee40d3.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a23b28a9f6d8dc37b3cac971886ae506.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4eb1c5ac4fb5cb0c0b759ea065d02e74.png\")
(Using DeMoivres Theorem) ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2f8560b939ee4192b73d4e67ed2415ef.png\")
.