starting from the definition of sinhx, show that when x is real the real value of sinh^-1x is given by sin^-1(x)=ln((x+root(x^2+1))
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Originally Posted by Magical starting from the definition of sinhx, show that when x is real the real value of sinh^-1x is given by sin^-1(x)=ln((x+root(x^2+1)) But of course, this is only defined for positive values of , and since for all real , that means
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