Retina display math

[Joe Horn]

(01-25-2014 10:31 PM)Han Wrote:  \( 2\tan(\pi/360) \) since \( \pi/360 \) radians is half a degree

That's what alerted me to the missing parentheses: their mention of "half a degree in radians". I'm so accustomed to the "order of operations" rule that at first I just blindly did exactly what they said, without thinking. Lesson learned.