$-x^2+6x-8<0$
$2x-15>19$
$\sin3x-\sin x$
$\frac{303.74}{8.21}$
$\int-14\sin\left(-5x\right)dx$
$\sin\left(b\right)\cdot\cos\left(b\right)=\frac{1}{\tan\left(b\right)+\cot\left(b\right)}$
$9x^2y^4-16z^2$
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