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प्रश्न
What is \[\int\frac{\sin x}{\sin(x+a)}\,dx\]?
पर्याय
\[x\sin a-\cos a\log|\sin(x+a)|+C\]
\[x\cos a-\sin a\log|\cos(x+a)|+C\]
\[x\cos a-\sin a\log|\sin(x+a)|+C\]
\[x\cos a+\sin a\log|\sin(x+a)|+C\]
MCQ
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उत्तर
After integration, substitute \[t=x+a\]. The terms \[a\cos a\] and \[-C_1\sin a\] are combined into another arbitrary constant \[C\].
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