$2\left(3.1416\right)\left(3.5\right)\left(0.0015\right)$

$\frac{\cos\left(x\right)}{\sin2\left(x\right)}-\frac{\cos2\left(x\right)}{2\sin\left(x\right)}=\sin\left(x\right)$

$m+\frac{1}{m}=\sqrt{2}$

$\int\left(9x-\sec x\right)dx$

$36.97+25.72+6.48+0.15$

$2y^6-2y^4+4y^2-4$

$\frac{4x+1}{-2x-2}$