$\int e^{7-8t}dx$

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

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

$\frac{3\sin\left(a\right)+\cos\left(a\right)^2}{\cos\left(a\right)+\sin\left(a\right)}$

$\frac{dy}{dx}=\frac{e^{3x}}{2}+7$

$4x^4\cdot4x^0$

$1.4y+5-4.2-5y+z$