$\int \frac{1}{\sin (x-a) \sin x} \,d x=$

  • A
    $\sin a(\log (\sin (x-a) \cdot \operatorname{cosec} x))+c$, $\text{जहाँ } c \text{ एक समाकलन स्थिरांक है।}$
  • B
    $\operatorname{cosec} a(\log |\frac{\sin (x-a)}{\sin x}|)+c$, $\text{जहाँ } c \text{ एक समाकलन स्थिरांक है।}$
  • C
    $-\sin a(\log (\sin (x-a) \cdot \sin x))+c$, $\text{जहाँ } c \text{ एक समाकलन स्थिरांक है।}$
  • D
    $-\operatorname{cosec} a(\log (\sin (x-a) \cdot \sin x))+c$, $\text{जहाँ } c \text{ एक समाकलन स्थिरांक है।}$

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