Mister Exam

Lang:

How to use it?
Inequation:
((x^2-8x+16)(2^x-8))/(log(x+2)/log(5))≥0
(x+8)*(x-9)(x-19)>0
sqrt(2+2x)≤4.
-7x>-28
Identical expressions
(two tg(x) one +tg(x))+(one /tg(x))>=2
(2tg(x)1 plus tg(x)) plus (1 divide by tg(x)) greater than or equal to 2
(two tg(x) one plus tg(x)) plus (one divide by tg(x)) greater than or equal to 2
2tgx1+tgx+1/tgx>=2
(2tg(x)1+tg(x))+(1 divide by tg(x))>=2
Similar expressions
(2tg(x)1+tg(x))-(1/tg(x))>=2
(2tg(x)1-tg(x))+(1/tg(x))>=2

(2tg(x)1+tg(x))+(1/tg(x))>=2 inequation

You have entered [src]

                      1        
2*tan(x) + tan(x) + ------ >= 2
                    tan(x)

$$\left(\tan{\left(x \right)} + 2 \tan{\left(x \right)}\right) + \frac{1}{\tan{\left(x \right)}} \geq 2$$

tan(x) + 2*tan(x) + 1/tan(x) >= 2

Solving inequality on a graph

Rapid solution [src]

   /           pi\
And|0 < x, x < --|
   \           2 /

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

(0 < x)∧(x < pi/2)

Rapid solution 2 [src]

    pi 
(0, --)
    2

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

x in Interval.open(0, pi/2)