$dx+e^{3x}dy=0$

$\sin^2\left(a\right)=3\sin\left(a\right)$

$\frac{\cos\left(x\right)}{1+\sin\left(x\right)}=\sec\left(1-\sin\left(x\right)\right)$

$\int_0^{\frac{\pi}{24}}\left(\frac{\sec^2\left(6x\right)}{6+\tan\left(6x\right)}\right)dx$

$x^2+28x$

$.75+.09$

$14.15+8$