निम्नलिखित का मूल्यांकन करें:
$2 \tan ^{2} 45^{\circ}+\cos ^{2} 30^{\circ}-\sin ^{2} 60^{\circ}$

  • A
    $4$
  • B
    $2$
  • C
    $3$
  • D
    $1$

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Similar Questions

यदि $\operatorname{cosec} \theta = \frac{2}{\sqrt{3}}$ है,तो $\theta = \ldots$ ($^\circ$ में)

$\frac{2 \tan 30^{\circ}}{1+\tan ^{2} 30^{\circ}} = ?$

निम्नलिखित का मूल्यांकन करें:
$\sin 60^{\circ} \cos 30^{\circ} + \sin 30^{\circ} \cos 60^{\circ}$

$\Delta ABC$ में,$m \angle B = 90^{\circ}$ और $m \angle A : m \angle C = 1 : 2$ है। यदि $BC = 4$ है,तो $AC$ ज्ञात कीजिए।

व्यंजक का मान ज्ञात कीजिए: $8 \sin^{2} 45^{\circ} - 2 \tan^{2} 60^{\circ} + 3 \cot^{2} 30^{\circ} - 2 \cos^{2} 45^{\circ}$

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