Hello I need help solving trig equations: Solutions to $\displaystyle cos^2 x = \frac{3}{4}$ in the domain $\displaystyle 0 \leq x \leq 2\pi$ Thanks!!
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Originally Posted by auonline Hello I need help solving trig equations: Solutions to $\displaystyle cos^2 x = \frac{3}{4}$ in the domain $\displaystyle 0 \leq x \leq 2\pi$ Thanks!! $\displaystyle \cos{x} = \pm \frac{\sqrt{3}}{2}$ check out the unit circle to find the solutions for x ...
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