Tích phân $I=\int\limits_{0}^{{\frac{\pi }{4}}}{{\frac{{\tan x.\ln (cosx)}}{{\cos x}}dx}}$ bằng?
A. $\sqrt{2}-1-\frac{{\sqrt{2}}}{2}\ln 2.$
B. $-\sqrt{2}+1+\frac{{\sqrt{2}}}{2}\ln 2.$
C. $\sqrt{2}+1-\frac{{\sqrt{2}}}{2}\ln 2.$
D. $-\sqrt{2}-1-\frac{{\sqrt{2}}}{2}\ln 2.$
A. $\sqrt{2}-1-\frac{{\sqrt{2}}}{2}\ln 2.$
B. $-\sqrt{2}+1+\frac{{\sqrt{2}}}{2}\ln 2.$
C. $\sqrt{2}+1-\frac{{\sqrt{2}}}{2}\ln 2.$
D. $-\sqrt{2}-1-\frac{{\sqrt{2}}}{2}\ln 2.$
Loga
Hóa Học lớp 12
