MathDB
String of Tangents

Source:

March 15, 2010
trigonometry

Problem Statement

Evaluate (tan10)(tan20)(tan30)(tan40)(tan50)(tan60)(tan70)(tan80) (\tan 10^\circ)(\tan 20^\circ)(\tan 30^\circ)(\tan 40^\circ)(\tan 50^\circ)(\tan 60^\circ)(\tan 70^\circ)(\tan 80^\circ).