Mister Exam

Lang:

ctg(t/2)>0 inequation

You have entered [src]

   /t\    
cot|-| > 0
   \2/

$$\cot{\left(\frac{t}{2} \right)} > 0$$

cot(t/2) > 0

Rapid solution [src]

And(0 < t, t < pi)

$$0 < t \wedge t < \pi$$

(0 < t)∧(t < pi)

Rapid solution 2 [src]

(0, pi)

$$x\ in\ \left(0, \pi\right)$$

x in Interval.open(0, pi)