$\sin^2\:+\:2\sin\cos$

$\frac{d^2}{dx^2}y:\left(x^2+5\right)^2$

$\left(\left(-2\right)^5\right)-\left(-3\right)^3$

$\int\left(\frac{7-6x}{x^2-5x}\right)dx$

$2=4\sin\left(x\right)+\cos^2\left(x\right)-3\sin^2\left(x\right)$

$\int sec\left(\frac{1}{8}\right)xdx$

$\sqrt{3844}$