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sin(2*x)*(cos(0.5*x))^2
126.42;7
28.48;8
1638;25
1225;4
| x^8-13x^4+42=0 | | -4x+8=-7x+11 | | 2x+24=74+-8x | | 7(2n+3)=7(4n+4)+1 | | 2x+24=74 | | y+3+6=4y | | 3x+7+5(x-3)=12x-12 | | 3x^5+12x^3-7x+3=0 | | 7x-4=-9+6x | | y+3+6=x | | solvea^2+5ab+5a-6b^2-12b-6=0 | | (2-5i)z=1 | | u-34=23 | | 0=x^2-6x-8 | | (81x^-2)^-1/2 | | -6x-10=5x+12 | | 4+3*9=h | | 9(2n+3)=8(9n+8)+5 | | 97-4x=109-6x | | 8u-40=56 | | 2=5y+1.7 | | 32y+10+-2=24 | | 3(5x+4)=14x-16 | | 19x-7=7+17x | | X^2-9x+2000=0 | | Y=2x^2+x-6 | | 3x+0.5(10x-6)=21+8x | | 0.76=4n-0.4 | | 3x-2(x+5)=16 | | 84=6(k+2) | | 28=-9c-5c | | -7(2a+3)=-14a-21 |