-6(11-2c)=7(-2-2c)
7/9 - 1/2 as a fraction
4 nodos con grados 1, 2, 3, 4
proof of sin5x\sinx
(x^7-2x^5+3x^2-1)/(x^2-2x^3+1)
F(x)=3x^2 - x+5 ,g(x)=6x^3 +7x^2 + 7x +15. simplify g(x)/f(x)
cos 80=
sin 10=
prove sin5x\sinx
lowest common multiple of 50 and 825
