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sin(2*x)*cos((1/2)*x)*cos(x)
2600/405
-1/17-(-3/17)
1;2;0;0;3;14
8;9;1;6;6;5
| -7(7x-2)+2=-49+16 | | 2x+3.2=5.4 | | 3t-1=11t-65 | | 2t+20=11t-79 | | -1.1=3.9-5y | | 34=5 | | 36/12x3^2= | | -4(6-b)=4 | | 14x-4+6x-14=180 | | 15x^2-84xy-36y^2=0 | | 16-14=x/-8 | | 18(4-207)=d | | .6=.2+3x | | 12t+-23=7t+2 | | j-12.5=39.04 | | -9N-5+2N+6= | | 10x+25y=505 | | 3w-10w=-49 | | 5-2(4-7)= | | 4(z-6)=9(z+4) | | 6t+69=11t+14 | | (x+1)*31=50 | | -40/3=40/3x | | 14x+20=4(3x+7)+2x-8 | | -8(.5y-3)=3 | | -2d+6d-5+9= | | 20=6n | | 5(r+6)=5(r+4) | | 5(x+1)=6(x-6) | | -7(2x-5)+9=-14x+44 | | 2y(y+3)+5(y-3)=36 | | 6(x-6)=5(x-9) |