S
smile_smile_love


Tính tích phân sau:
[tex]\int\limits_{\frac{\pi}{4}}^{\frac{\pi}{3}}\frac{tanx dx}{cosx\sqrt[]{1+cos^2x}[/tex]
[tex]\int\limits_{\frac{\pi}{4}}^{\frac{\pi}{3}}\frac{tanx dx}{cosx\sqrt[]{1+cos^2x}[/tex]