$\frac{\cos 50^{\circ}}{\sin 40^{\circ}} + \frac{\sin 15^{\circ}}{\cos 75^{\circ}} = \ldots \ldots \ldots \ldots$

  • A
    $0$
  • B
    $1$
  • C
    $2$
  • D
    $3$

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यदि $\tan \theta = 1$ है,तो $\sin \theta \cdot \cos \theta = \dots$

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बताइए कि निम्नलिखित कथन 'सत्य' है या 'असत्य' और अपने उत्तर का औचित्य दीजिए:
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