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x = 50/120
(2*tan(x))/(cos(x)*cos(x))
tan(x)*tan(x)
48;105;27;35;0;0
(7*x)/3-(4/3) = 60
| 2(-10+-4y)-y=7 | | 4x=2x-60 | | 12=8+8x | | f(x)=x^6-x^4-25x^2+25 | | 3.8x+5.8=28.4 | | 87-y=43 | | 5+(7-2)+5= | | J-(4)=12 | | 6x-8x+4x=14 | | 2-0.44444x=-6 | | J-4=12 | | 120x=50 | | x=50/120 | | 15x^2+21x+8=5x^2 | | -21-4r=3(2r+7) | | 6x-8+4x=14 | | (3x)(3x+7)=0 | | w-8.5=2.71 | | 6a-10=5a | | 7z+9z-8z+z= | | 4=x^2-2x | | 8x+10-6x-16=14 | | 4=x^2-2 | | 30x+30=-40 | | 1-3x-2(x-1)=5(1-2x)+7 | | x^3-4x^2-4x+16=2 | | 7.5-x=-11.1 | | -7(z+3)+2z= | | 7/9=?/27 | | 6x+3=171-6x | | 6x-3x^2+24=0 | | 7x/3-4/3=60 |