જો $\tan \theta - \cot \theta = 0$ અને $\theta$ એ ધન લઘુકોણ હોય,તો $\frac{\tan (\theta + 15^{\circ})}{\tan (\theta - 15^{\circ})}$ ની કિંમત શોધો.

  • A
    $\frac{1}{\sqrt{3}}$
  • B
    $3$
  • C
    $\frac{1}{3}$
  • D
    $\sqrt{3}$

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આપેલ સમીકરણ $4x^2 + 4(a - 1)x + (1 - 2a) = 0$ ના બીજ $\sin \theta$ અને $\cos \theta$ છે,જ્યાં $0 < \theta < \frac{\pi}{2}$,તો $(a + \sin \theta)$ ની મહત્તમ કિંમત શોધો.

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