$\frac{\sin\left(u\right)}{\csc\left(u\right)}+\frac{\cos\left(u\right)}{\sec\left(u\right)}=1$

$\left(24x+18\right)\left(25x+21\right)\left(15x+16\right)$

$\frac{52}{1.000}$

$\left(3x+\frac{1}{3}\right)^2$

$\left(x^2+7^2\right)$

$\lim_{x\to\infty}\left(\frac{ln\left(4x+7\right)}{ln\left(7x+5\right)+1}\right)$

$\int6x\cdot\sin^2\left(3x^2\right)\cos\left(3x^2\right)$