MathDB
Easy Trig

Source:

August 9, 2004
trigonometryabsolute value

Problem Statement

Show that:α=±π12+k⋅π2(k∈Z)⟺ ∣tan⁡α∣+∣cot⁡α∣=4\alpha = \pm \frac{\pi}{12} + k\cdot \frac{\pi}2 (k\in \mathbb{Z}) \Longleftrightarrow\ |{\tan \alpha}| + |{\cot \alpha}| = 4
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