# Math Help - Solving triq equations

1. ## Solving triq equations

Hello

I need help solving trig equations:
Solutions to $cos^2 x = \frac{3}{4}$ in the domain $0 \leq x \leq 2\pi$

Thanks!!

2. Originally Posted by auonline
Hello

I need help solving trig equations:
Solutions to $cos^2 x = \frac{3}{4}$ in the domain $0 \leq x \leq 2\pi$

Thanks!!
$\cos{x} = \pm \frac{\sqrt{3}}{2}$

check out the unit circle to find the solutions for x ...