The expression is .
(Apply pythagorean identity: )
(Apply reciprocal identity: )
(Cancel common terms) \ \
The simplified expression value is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a53cc00ed5e8ca17068372184afa62b6.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1a9babcc2615ac1d454ed7badba13d48.png\")
(Apply pythagorean identity: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e5c23d3e48e4128aaac9c62a1918a829.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7a531d5b0cecd960b196c6f9d15c2491.png\")
(Apply reciprocal identity: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ce7c082a02f3469fc9826770a8ab2c3f.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ddc3c4a4ebe87a39e7bfdfb996983961.png\")
(Cancel common terms) \ \
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fee94b46604510b32d85d8ef8a8bf10d.png\")
.