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‎Feb 13, 2017 10:36 PM
‎Feb 13, 2017 10:36 PM

atan(1i*[1 - x^2i]/[1 + x^2i]) = a assume, -pi/2 < a <= pi/2 , solve, x ?

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‎Feb 13, 2017 10:36 PM
‎Feb 13, 2017 10:36 PM

atan(1i*[1 - x^2i]/[1 + x^2i]) = a assume, -pi/2 < a <= pi/2 , solve, x ?

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‎Feb 14, 2017 06:02 AM
‎Feb 14, 2017 06:02 AM

Re: atan(1i*[1 - x^2i]/[1 + x^2i]) = a assume, -pi/2 < a <= pi/2 , solve, x ?