Posted by **olivia** on Sunday, March 25, 2012 at 8:10pm.

1/tanx-secx+ 1/tanx+secx=-2tanx

so this is what I did:

=tanx+secx+tanx-secx

=(sinx/cosx)+ (1/cosx)+(sinx/cosx)-(1/cosx)

=sinx/cosx+ sinx /cosx= -2tanxI

but I know this can't be correct because what I did doesn't end as a negatvie:( please help