यदि $\theta$ एक न्यून कोण है और $\tan^{2} \theta + \frac{1}{\tan^{2} \theta} = 2$ है,तो $\theta$ का मान ($^{\circ}$ में) क्या है?

  • A
    $30$
  • B
    $60$
  • C
    $15$
  • D
    $45$

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