$\frac{1}{\cos^2\left(x\right)}-2\tan\left(x\right)-4=0$
$-12<8+b$
$\int f^2\sqrt{f^3+1}df$
$9.767\:+\:8.953\:+\:9.543\:$
$\sqrt{100}x^2y^2$
$\left(3x^2+y^3\right)^2$
$9x-11<-10+12x$
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