MCQ
$\left|\begin{array}{cc}\cos 25^{\circ} & \sin 25^{\circ} \\ \sin 65^{\circ} & \cos 65^{\circ}\end{array}\right|=$
  • $0$
  • B
    1
  • C
    -1
  • D
    2

Answer

Correct option: A.
$0$
A

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