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(65) = 0
cos(65) = 0
cos(65) = 0
t_1 = cos(65)
cos(65) = 0
t_1 = 0
X należy do R
X in (-oo:+oo)
X belongs to the empty set
X = 196/cos(65)
X belongs to the empty set
| 2x^2+3x-3=18 | | f(x)=ln(3-x) | | 4x(x)=-32x | | 5+7=2+16 | | V*V(V-1)=0 | | x-3/517/6 | | R=v^2-6v | | 2(4k-3)-13k+6+4= | | 5+7=11+7x | | 5x(x)-9=46 | | 2(2k+5)-10k+5+2= | | f(7)=4x-7 | | 1/5x5/5 | | 7x(x)+14=0 | | 2(4c-1)-1=4c+5 | | (2x)(lnX)=0 | | 2y+4y=-16-8 | | 51x=0.13 | | 6+9(7a)=4+8(6a) | | 5(x+6)=6x-3 | | 8(9x-8)+1=72x | | 4w^2-9=9w | | 2(7x-5)=14x-8 | | 3+3(2r-6)-3(4r+5)-8= | | 3x+15=202x | | 6x-1+=4x+9 | | t^3+31.06t^2+189.62t+989.40=0 | | 6x-4x=-1+9 | | 1.1111=(x2-70)/11.3 | | 2x-17=9+x | | 0.0002/12 | | 2+3(2s-7)-3(4s+4)-10= |