Sr Examen

3cost-1>0 desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
3*cos(t) - 1 > 0
$$3 \cos{\left(t \right)} - 1 > 0$$
3*cos(t) - 1 > 0
Respuesta rápida [src]
  /   /                /    ___\\     /                 /    ___\           \\
Or\And\0 <= t, t < atan\2*\/ 2 //, And\t <= 2*pi, - atan\2*\/ 2 / + 2*pi < t//
$$\left(0 \leq t \wedge t < \operatorname{atan}{\left(2 \sqrt{2} \right)}\right) \vee \left(t \leq 2 \pi \wedge - \operatorname{atan}{\left(2 \sqrt{2} \right)} + 2 \pi < t\right)$$
((0 <= t)∧(t < atan(2*sqrt(2))))∨((t <= 2*pi)∧(-atan(2*sqrt(2)) + 2*pi < t))
Respuesta rápida 2 [src]
        /    ___\           /    ___\              
[0, atan\2*\/ 2 /) U (- atan\2*\/ 2 / + 2*pi, 2*pi]
$$x\ in\ \left[0, \operatorname{atan}{\left(2 \sqrt{2} \right)}\right) \cup \left(- \operatorname{atan}{\left(2 \sqrt{2} \right)} + 2 \pi, 2 \pi\right]$$
x in Union(Interval.Ropen(0, atan(2*sqrt(2))), Interval.Lopen(-atan(2*sqrt(2)) + 2*pi, 2*pi))