$4x\:-\:3\:>\:0$

$7t\frac{dq}{dt}-3\left(lnt\right)q=0$

$\int\sec9t\:tg\:9t\:dt$

$\int_0^{\pi}\tan^4\left(x\right)dx$

$\int\:\frac{1}{x^2+12x+35}dx$

$\int\left(\cos\left(a-x\right)\right)dx$

$\frac{\left(sinx\:-\:cosx\:+1\right)}{\left(sinx\:+\:cosx\:-1\right)}\:=\:\frac{\left(sinx\:+1\right)}{cosx}$