If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
y = 0
y = 0
y = 0
y in (-oo:0) U (0:+oo)
cos(60) = 8/y // - 8/y
cos(60)-(8/y) = 0
cos(60)-8*y^-1 = 0
-8*y^-1 = -cos(60) // : -8
y^-1 = cos(60)/8
-1 < 0
1/(y^1) = cos(60)/8 // * y^1
1 = (cos(60)/8)*y^1 // : cos(60)/8
8*(cos(60))^-1 = y^1
y = 8*(cos(60))^-1
y = 8*(cos(60))^-1
| 11(4x+3)=121 | | 47=3x-13 | | 6x=1x+45 | | 8(5-6n)=0 | | 3x+4=2-4(x+3) | | -5(7x+3)=14-6x | | v/8-=-13 | | 828/1000=x/16 | | 5/5-1/4 | | 3(6+2y)= | | 7x+16=-13x+56 | | 5w^2-26w-63=0 | | 5x+11=2z-1 | | r^2=625 | | X=28*85 | | 7x+10=6x+30 | | 1/3(3x+1)=4+1/6x+3 | | 16x^2-36x+21=0 | | 5y-1+y=62+2y-5y | | 0.25x+1=5 | | 3x-7=-4x-3 | | p=i*e | | 2x-3-2x=4 | | 2(x-5)+(3x)+(x+4)=180 | | 1.04=(x-350)/42 | | 15-2y+6=12y+30-5y | | -1.28=(x-350)/42 | | -1.28=9x-3500/42 | | (c+15)(c-18)=0 | | h=3+15t-5t^2 | | 6x-2y=14The | | 5(3x+5)=-48+13 |