$\sin^{2} \theta + \cos^{2} \theta + \sec^{2} \theta + \operatorname{cosec}^{2} \theta + \tan^{2} \theta + \cot^{2} \theta$ का न्यूनतम मान क्या है?

  • A
    $1$
  • B
    $3$
  • C
    $5$
  • D
    $7$

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