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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समीकरणों $\sin x + \sin y = \sin(x + y)$ और $|x| + |y| = 1$ को संतुष्ट करने वाले क्रमित युग्मों $(x, y)$ की संख्या है

$sin 5^{\circ} + sin 10^{\circ} + sin 15^{\circ} + \dots + sin 350^{\circ} + sin 355^{\circ}$ का मान ज्ञात कीजिए।

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यदि $\frac{\sin^4 x}{2} + \frac{\cos^4 x}{3} = \frac{1}{5}$ है,तो $27 \sec^6 x + 8 \operatorname{cosec}^6 x = $

यदि $a \cos \theta + b \sin \theta = m$ और $a \sin \theta - b \cos \theta = n$ है,तो ${a^2} + {b^2} = $

$3(\sin x-\cos x)^{4}+6(\sin x+\cos x)^{2}+4(\sin ^{6} x+\cos ^{6} x)$ का मान क्या है?

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