MCQ
$\left|\begin{array}{ll}\sin A & \sin B \\ \cos A & \cos B\end{array}\right|=$
  • A
    $\sin (A+B)$
  • $\sin (A-B)$
  • C
    $\sin (B-A)$
  • D
    इनमें से कोई नहीं

Answer

Correct option: B.
$\sin (A-B)$
B

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