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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
| 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) | | 4a^2+8a-32=0 | | .400(13.80-23.50)=x | | 6(2x-4)=5(x-9) | | 0.36(12)+0.06x=0.18(18+x) | | x+(1+31)=50 | | 21x-8-13x+2=20x-7-12x+11 | | [3x+7]+[4x-15]=90 | | 0.06(y-1)+0.18y=0.16y-.6 | | 6x+10-8x=18-19x+17x-8 | | sin80=18/x | | 3z/10-1=-8 |