Question:
Mark $(\sqrt{)}$ against the correct answer in each of the following:
$\int \sin x \log (\cos x) d x=?$
A. $\cos x \log (\cos x)-\cos x+C$
B. $-\cos x \log (\cos x)+\cos x+C$
C. $\cos x \log (\cos x)+\cos x+C$
D. none of these
Solution:
