5.4 Indefinite Integrals and the Net Change Theorem/17

17)$\int {}{}1+tan^{2}x*dx$

  $\int {}{}1+tan^{2}x*dx$
 =Failed to parse (Conversion error. Server ("https://en.wikipedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle {\frac {d}{dx}}(tan(x))}