precal
posted by olivia .
1/tanxsecx+ 1/tanx+secx=2tanx
so this is what I did:
=tanx+secx+tanxsecx
=(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
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