Question

Resolver no intervalo de 0°≤ x ≤ 360° a inequação 2cosx + √3 ≥ 0.​

Answer 1

$2 \cos(x) + \sqrt{3} \geqslant 0 \\ \cos(x) \geqslant \frac{ - \sqrt{3} }{2} \\x \geqslant 24 0 \: graus$

S = {x € R | x > 240°}