Question 985937
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{{{e^(ln(sin(x)))}}} = {{{sin(x)}}}       (provided  sin(x) > 0).


{{{e^(3ln(x))}}} = {{{x^3}}}                (provided  x > 0).


It is the basic property of a logarithm:   {{{a^log(a,x)}}} = x   for any  a > 0,  a=/=1  and  x > 0.


See the lesson &nbsp;<A HREF=http://www.algebra.com/algebra/homework/logarithm/what-is-the-logarithm.lesson>WHAT IS the logarithm</A>&nbsp; in this site.