$\frac{1}{{\tan 3A - \tan A}} - \frac{1}{{\cot 3A - \cot A}} = $

  • A
    $\tan A$
  • B
    $\tan 2A$
  • C
    $\cot A$
  • D
    $\cot 2A$

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$1 + 4 \sin \theta + 3 \cos \theta$ के चरम मान (extreme values) क्या हैं?

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