show all work please...thank you!
y = ln(cosh(x))
dy/dx = 1/cosh(x)*sinh(x)
dy/dx = sinh(x)/cosh(x)
dy/dx = tanh(x)
I hope that helped
http://www.wolframalpha.com/input/?i=y%3Dln%28cosh...
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Verified answer
y = ln(cosh(x))
dy/dx = 1/cosh(x)*sinh(x)
dy/dx = sinh(x)/cosh(x)
dy/dx = tanh(x)
I hope that helped
http://www.wolframalpha.com/input/?i=y%3Dln%28cosh...