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cos(t/4)>-1 inequation

A inequation with variable

The solution

You have entered [src]
   /t\     
cos|-| > -1
   \4/     
$$\cos{\left(\frac{t}{4} \right)} > -1$$
cos(t/4) > -1
Rapid solution [src]
Or(t = 0, t = 8*pi)
$$t = 0 \vee t = 8 \pi$$
(t = 0)∨(t = 8*pi)
Rapid solution 2 [src]
{0, 8*pi}
$$x\ in\ \left\{0, 8 \pi\right\}$$
x in FiniteSet(0, 8*pi)