+129899 1/ cosx * sin x
______________________
sin x / cos x + cosx / sinx
sin x/ cos x
________________
sin^2 x cos^2x
________ +_________
sinxcosx sinxcos x
sin x/cos x
____________
sin^2 x + cos^2x
______________
sin x cos x
sinx / cos x
___________
1
_________
sin x cos x
sinx / cos x * sin x cos x
