What is the reduction formula for the integral of \( \tan^n(x) \), where n > 1
1
\(I_n = \frac{1}{n-1} \tan^{n-1}(x) - I_{n-2} \)
2
\(I_n = \frac{1}{n} \tan^{n-1}(x) + I_{n-2} \)
3
\(I_n = -\frac{1}{n-1} \tan^{n-1}(x) + I_{n-2} \)
4
\(I_n = -\frac{1}{n} \tan^{n-1}(x) - I_{n-2} \)