If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
cos(pi/5) = 0
cos(pi/5) = 0
cos(pi/5) = 0
t_1 = cos(pi/5)
cos(pi/5) = 0
t_1 = 0
x naleu017Cy do R
x in (-oo:+oo)
x belongs to the empty set
tan(pi/5) = x/60
x belongs to the empty set
| 7.6=x-5.5 | | cos(65)=210/x | | 3.1+a=5 | | 2/3z=0 | | Y+5(7y+5)=25(y+1)+9y | | -5x+14x=48+27 | | log(x)=0.78 | | -11.2+4(2.1+q)=.8 | | 6x-75=140 | | 2.3-tan(x)=3.2 | | 4(a-1)+3(a+2)=14 | | m-2m+6m+6= | | 15m+12n=3 | | -4(3x-5)=-(10x-8)-2x | | (x^2-11x)/(x+8) | | 2.3-tanx=3.2 | | B=p+pvd | | 1-4/5x=-19 | | 3(x-2)+8=0 | | 6x-40=x+65 | | 15x+4+-7x=4(2x+5) | | 5b-5-8b-7= | | c-9=-4+7 | | -23+22=m-6 | | 4x^2+12x+4y^2-20y-2=0 | | -2+15=15x-4-14x | | 8m+18=-m | | 5a-32+12a=4+13a | | -10=2x-4 | | 2x+8=9x-4 | | 1.8d+3=1.8d-3 | | 4m+4=10-6+4m |