A amy-lee New member Joined Apr 29, 2008 Messages 7 May 20, 2008 #1 Solve the following for x: 2 tan x + ? (12) = 0 where 0 < x < 2pi. I'm not sure how to begin solving this equation.
Solve the following for x: 2 tan x + ? (12) = 0 where 0 < x < 2pi. I'm not sure how to begin solving this equation.
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 May 20, 2008 #2 First, rewrite as \(\displaystyle tan(x)=\frac{-\sqrt{12}}{2}\) \(\displaystyle \frac{-\sqrt{12}}{2}=-\sqrt{3}\) \(\displaystyle tan(x)=-\sqrt{3}\) \(\displaystyle x=c{\pi}-\frac{\pi}{3}\)
First, rewrite as \(\displaystyle tan(x)=\frac{-\sqrt{12}}{2}\) \(\displaystyle \frac{-\sqrt{12}}{2}=-\sqrt{3}\) \(\displaystyle tan(x)=-\sqrt{3}\) \(\displaystyle x=c{\pi}-\frac{\pi}{3}\)