Mister Exam

Lang:

How to use it?
Inequation:
(x+3)^2>(x−23)^2
(x+2)/5>=2*x/4
x^2-2x+12>0
(2^-x)<1/4
Derivative of:
cot(x/2)
Integral of d{x}:
cot(x/2)
Limit of the function:
cot(x/2)
Identical expressions
cot(x/ two)>= one /sqrt(three)
cotangent of (x divide by 2) greater than or equal to 1 divide by square root of (3)
cotangent of (x divide by two) greater than or equal to one divide by square root of (three)
cot(x/2)>=1/√(3)
cotx/2>=1/sqrt3
cot(x divide by 2)>=1 divide by sqrt(3)
Similar expressions
cot(x/2+π/3)<-√2/2

cot(x/2)>=1/sqrt(3) inequation

You have entered [src]

   /x\      1  
cot|-| >= -----
   \2/      ___
          \/ 3

$$\cot{\left(\frac{x}{2} \right)} \geq \frac{1}{\sqrt{3}}$$

cot(x/2) >= 1/(sqrt(3))

Rapid solution [src]

   /     2*pi       \
And|x <= ----, 0 < x|
   \      3         /

$$x \leq \frac{2 \pi}{3} \wedge 0 < x$$

(0 < x)∧(x <= 2*pi/3)

Rapid solution 2 [src]

    2*pi 
(0, ----]
     3

$$x\ in\ \left(0, \frac{2 \pi}{3}\right]$$

x in Interval.Lopen(0, 2*pi/3)