Integrals With Trigonometric Functions

1. $\int cosx\,dx=sinx+c$
2. $\int sinx\,dx=-cosx+c$
3. $\int {sec}^{2}x\,dx=tanx+c$
4. $\int {csc}^{2}x\,dx=-cotx+c$
5. $\int secx\,tanx\,dx=secx+c$
6. $\int cscx\,cotx\,dx=-cscx+c$