The given trigonometric expression is .
The value of (Using the calculator: )
The simplified expression is .
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(Using the calculator: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c8930894cb47dd89ebcb29cbda376e2a.png\")
) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ba514557f07fa63eeec9b5780bec6059.png\")
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.