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cos((1*pi)/6)

cos(pi/6)

(3^(1/2))/2

0.86602541

| 2(a+26)=264 | | 50x+5=8 | | 12x^2-136x+240=0 | | -n^2+6n+15=0 | | x^2-55x+552=0 | | z(1+i)=6-2i | | (5x-17)=(2x+50) | | x-1+3=180 | | 12-z=2 | | x^2=-10x-14 | | 30x=70x | | y=-0.05x^2+0.75x+4 | | 7x+4x+10+6x+10+4x+10+5x-5=540 | | x-(x*0.1)=22028.97 | | 4u-3u-4x= | | 6(2x+8)=192 | | (x-1)(x-3)(x-5)(x-7)=-15 | | 8c+5=18 | | 2h+10=19 | | (a-10)(a/10)=200 | | 5z-2=24 | | 5z-2=22 | | 17q=187 | | 192=2w^2+20w | | 5=n^2-n | | x^2+2x+11=k(2x+1) | | 4x^2-35x+55=-7x+10 | | x^2-3x+5=4x-5 | | x^2-9=-4x-4 | | y=0.14+0.5(90) | | 4y-7=8y+17 | | 450x=810 | | 6(5c-3)+2=74 | | x-3x-7=5+2x | | 6(7r-2)+8=416 | | 6x+(4y-4)-13= | | 11-(x+4)= | | 1/15=x/3 | | 7(10a-7)-2=369 | | 4x^2-2px+3p-5=0 | | (x^?5-?5*?x^?4/?6)^?3 | | 20+4=x | | 6x+17=-19 | | 17y^2+65y-12= | | -7x-8=-3x+4 | | -6x-14=-2x-22 | | 3f-2f=f | | 5t^2+40t=-75 | | 810/x=450 | | 3(6i-4)-9=105 | | x+x=0.4 | | 5s^2-36s=0 | | (7x-9)(4x+8)=0 | | -9n(2n-3)=0 | | 6(6g+7)+1=151 | | 2Py(Y+1)=I | | (PyY+2Py)+PyY=I | | -1=-5-6 | | 6q-5=45 | | 3x+20+4x+x=180 | | -3=-5-6 | | f(x)=2+log(2x-1) | | sin(x)=5/9 | | 2x+5=25 | | 7a+7=70 |

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