2000000901
Level:
A
Compare definite integrals \(I_1 = \int\limits_0^{\frac{\pi}{4}}\mathrm{tg}\,x \,\mathrm{d}x\) and \(I_2= \int\limits_{\frac{\pi}{4}}^{\frac{\pi}{2}}\mathrm{cotg}\, x\,\mathrm{d}x\).
\(I_1=I_2\)
\(I_1 > I_2\)
\(I_1 < I_2\)
These integrals cannot be compared.