$$\int_0^{\pi}\left(e^{\tan\left(x\right)}+1\right)\sec^2\left(x\right)dx$$

$$\int\frac{tan^7x}{sec^{10}x}dx$$

$$y=5\left(5^x\right)$$

$$\int\tan\frac{2x}{5}\:dx$$

$$\left(n^2-6\right)\left(n^2+4\right)$$

$$\frac{\cos\left(x\right)-\csc\left(x\right)}{\sin\left(x\right)-\sec\left(x\right)}$$

$$\left(4.2\times10^6\right)+\left(2.25\times10^5\right)$$