$9\tan^2\theta + 4\cot^2\theta$ का न्यूनतम मान क्या है?

  • A
    $13$
  • B
    $9$
  • C
    $6$
  • D
    $12$

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

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$\sin ^{2} 30^{\circ} \cos ^{2} 45^{\circ}+5 \tan ^{2} 30^{\circ}+\frac{3}{2}\sin ^{2} 90^{\circ}-3 \cos ^{2} 90^{\circ}$ का मान ज्ञात कीजिए।

यदि $\tan x + \tan \left( \frac{\pi }{3} + x \right) + \tan \left( \frac{2\pi }{3} + x \right) = 3,$ तो

यदि $\tan \beta = \cos \theta \tan \alpha$ है,तो ${\tan ^2}\frac{\theta }{2} = $

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