Question

Solve the inequalities:
$\sin x\ge 1/2$

Answer 1

$\sin x\ge 1/2$

$\sin x=\frac{1}{2}$ when $x=\pi /6$ or $5\pi /6$

Hence $\sin x\ge 1/2$ when $xϵ[\pi /6,5\pi /6]$