MathDB
2009 Algebra #3 - Sum of Tangents

Source:

January 2, 2012
trigonometryAMCAIME

Problem Statement

If tan⁡x+tan⁡y=4\tan x + \tan y = 4 and cot⁡x+cot⁡y=5\cot x + \cot y = 5, compute tan⁡(x+y)\tan(x + y).
Back to ProblemsView on AoPS