यदि $\sin ^{2} \theta+3 \cos \theta=2$ है, तो $\cos ^{3} \theta+\sec ^{3} \theta$ का मान ज्ञात कीजिए।

  • A
    $1$
  • B
    $4$
  • C
    $9$
  • D
    $18$

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Similar Questions

$\operatorname{Tanh}^{-1}\left(\frac{1}{3}\right)+\operatorname{Coth}^{-1}(3)=$

यदि $\sin A + \sin 2A = x$ और $\cos A + \cos 2A = y$ है,तो $({x^2} + {y^2})({x^2} + {y^2} - 3) = $

व्यंजक $\frac{\tan A}{1 - \cot A} + \frac{\cot A}{1 - \tan A}$ को इस प्रकार लिखा जा सकता है:

मान लीजिए $f(\theta) = \sin \theta (\sin \theta + \sin 3\theta)$,तो $f(\theta)$

$\sin^2 5^\circ + \sin^2 10^\circ + \sin^2 15^\circ + \dots + \sin^2 85^\circ + \sin^2 90^\circ$ का मान ज्ञात कीजिए।

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