यदि $\sin \theta + \sin^2 \theta = 1$ है,तो $\cos^2 \theta + \cos^4 \theta = \dots$

  • A
    $1$
  • B
    $\cos^2 \theta \cdot \sin^2 \theta$
  • C
    $2$
  • D
    $1 + \cos^2 \theta$

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Similar Questions

$\sin 48^{\circ} \sec 42^{\circ} + \cos 48^{\circ} \operatorname{cosec} 42^{\circ} = \ldots \ldots \ldots \ldots$

$(1+\tan ^{2} \theta)(1-\cos ^{2} \theta) = \dots$

$\frac{1}{\tan ^{2} \theta}+1 = \dots$

यदि $\operatorname{cosec} A = \sqrt{10}$ है,तो $\sin A = \dots$

कुछ $\theta$ (जहाँ,$0 < \theta < 90^{\circ}$) के लिए निम्नलिखित में से क्या सत्य है?

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