MCQ
$\left|\begin{array}{ll}\cos 15^{\circ} & \sin 15^{\circ} \\ \sin 15^{\circ} & \cos 15^{\circ}\end{array}\right|=$
  • A
    1
  • B
    $\frac{1}{2}$
  • $\frac{\sqrt{3}}{2}$
  • D
    इनमें से कोई नहीं

Answer

Correct option: C.
$\frac{\sqrt{3}}{2}$
C

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