Question:
Mark $(\sqrt{)}$ against the correct answer in each of the following:
$\int \frac{\sin x}{\sin (x-\alpha)} d x=?$
A. $x \cos \alpha+(\sin \alpha) \log |\sin (x-\alpha)|+C$
B. $x \sin \alpha+(\sin \alpha) \log |\sin (x-\alpha)|+C$
C. $x \cos \alpha-(\sin \alpha) \log |\sin (x-\alpha)|+C$
D. $x \sin \alpha-(\sin \alpha) \log |\sin (x-\alpha)|+C$
Solution:
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