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(6*ctg(x))/(x^4)+tan(x)
1*x^4+1*x^3+8*x+0*x^2+8 = 0;x
x
abs(x^3-(16*x)) <= x*abs(4-x);x
x
n+1+1 = 0;n
n
ctg(x)
| 5a+5+a=9-a | | 4-44*7-3=C | | 6y-(9+5y)=(4+y)-13 | | 8(h-6)=72 | | 4(x+5)=2(2x+7) | | 5x+4(3+x)=18-2x | | 3x-2(4x+5)=3x-6-4(2x+1) | | 3m-8-2m=16-15m | | 250x-500/4=1500 | | 13u-5u=32 | | 10x+-8x+30=120 | | y=(7-6k)x | | 17=9+2c | | 3(2x-6)=5x+3+x | | 7w/4=56 | | 3y-3x+12=4 | | -22=-8+2x | | 5a^2-25a+300=0 | | x^2+3x=224 | | 3(h+6)=42 | | 9+x^2=1+x^2 | | 2w/5=14 | | -5x+-2x+11=25 | | -100y^2+0.04y-0.4=0 | | 8x-20y=121 | | 9/2=x/19 | | 6y=7/12 | | 0.50=x/6.5 | | 0.7g=35 | | 4x-3(2x+13)=18+5(4x-9) | | (x+3)(5x-2)=-14 | | 7/4=x/19 |