Suppose you want to solve . Without resorting to graphs could we do the following: ?
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Originally Posted by manjohn12 Suppose you want to solve . Without resorting to graphs could we do the following: ? Yes But I don't think it's possible to solve it easily oO And maybe it's better to identify real and imaginary parts : cosh(y-1) is a real number. So cosh(y-1)=cos(x) and xy=sin(x)
So we have two cases: .
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