$\frac{\sin 150^{\circ}-5 \cos 300^{\circ}+7 \tan 225^{\circ}}{\tan 135^{\circ}+3 \sin 210^{\circ}}$ का मान ज्ञात कीजिए।

  • A
    $2$
  • B
    $1$
  • C
    $-1$
  • D
    $-2$

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