1987 OIM Problems/Problem 5
Problem
If , , and are all the roots of the equation:
(a) Prove that , , and are all postive
(b) Calculate: arctan + arctan + arctan .
Note: We define arctan , as the arc between and which tangent is .
~translated into English by Tomas Diaz. ~orders@tomasdiaz.com
Solution
This problem needs a solution. If you have a solution for it, please help us out by adding it.