$\frac{cos\left(4x\right)-cos\left(6x\right)}{sin\left(6x\right)-sin\left(4x\right)}$

$3y-1\le y+5$

$416,7\:-\:392,18$

$3x^2+x-10=0$

$\left(a^m\:+\:b^n+\:1\right)\left(a^m\:-\:b^n+\:1\right)$

$\int_{-2}^4\left(\frac{4}{2x-1}\right)dx$

$\int\frac{\sin\left(x\right)}{\cos^7\left(x\right)}dx$