square root of (n) multiply by Abs( sinus of ( Pi divide by n squared ) divide by sinus of ( Pi divide by (1 plus n) squared )) divide by square root of (1 plus n)
square root of (n) multiply by Abs( sinus of ( Pi divide by n to the power of two) divide by sinus of ( Pi divide by (one plus n) to the power of two)) divide by square root of (one plus n)