# An Equation to Solve

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• January 18th 2014, 06:57 PM
Archie
An Equation to Solve
I'm trying to solve $a\left(\cos^{2}{\theta} - \sin^{2}{\theta}\right) + h\left(\cos{\theta} - \sin{\theta}\right) = 0$ for $\theta$ where $0 \le \theta \le \frac{\pi}{2}$, but I can't see the best approach. Any thoughts?
• January 18th 2014, 07:55 PM
ibdutt
Re: An Equation to Solve
• January 18th 2014, 08:10 PM
Archie
Re: An Equation to Solve
Doh! How did I miss that?