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ln( |tanx| )=-ln( |cotx| ) Help please! No idea how to even begin this! Proffesor said it was fairly easy, but cannot figure it out!?
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- mukavetzLv 67 years agoFavorite Answer
ln(tanx) = ln (sinx/cosx) = ln sinx -ln cosx = -(ln cosx-ln sinx) = -ln(cosx/sinx) = -ln cotx
divided ln's subtract and visa versa
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