n*Abs(atan(one /sqrt(- one + n))/(- one + n))/atan(one /sqrt(n))
n multiply by Abs( arc tangent of gent of (1 divide by square root of ( minus 1 plus n)) divide by ( minus 1 plus n)) divide by arc tangent of gent of (1 divide by square root of (n))
n multiply by Abs( arc tangent of gent of (one divide by square root of ( minus one plus n)) divide by ( minus one plus n)) divide by arc tangent of gent of (one divide by square root of (n))