O conjunto solução da inequação \(|sen(x)-1|\le\frac{1}{2},\) com x ∈ [0,2\(\pi\)] é:
\(S=\left\{x\in R|\frac{\pi}{6}\le x\le\frac{5\pi}{6}\right\}\)
\(S=\left\{x\in R|\frac{\pi}{3}\le x\le\frac{2\pi}{3}\right\}\)
\(S=\left\{x\in R|0\le x\le2\pi\right\}\)
\(S=\left\{x\in R|0\le x\le\frac{\pi}{6}\ ou\ \frac{5\pi}{6}\le x\le2\pi\right\}\)
\(S=\left\{x\in R|\frac{\pi}{3}\le x\le\frac{5\pi}{6}\)