MathDB

3

Part of 1989 Flanders Math Olympiad

Problems(1)

Easy Trig

Source:

8/9/2004
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
trigonometryabsolute value