Hey, Using exponential definitions, show that tanh(2x)= (2tanh(x))/(1+tanh^2(x)) Please help. Thanks
Last edited by CaptainBlack; August 16th 2009 at 11:22 PM. Reason: to give thread a descriptive title
Follow Math Help Forum on Facebook and Google+
Originally Posted by defcon3 Hey, Using exponential definitions, show that tanh(2x)= (2tanh(x))/(1+tanh^2(x)) Please help. Thanks Start by writing down the exponential form for then do the same for the right hand side. Now simplify what you have for the right hand side and with luck you will find that it is the same as you had for . So try this and report back if you get stuck. CB
its alrite i got it.. thanks alot
Last edited by defcon3; August 17th 2009 at 12:42 AM.
View Tag Cloud