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

  • A
    $4 \sin \theta \cos \theta$
  • B
    $2$
  • C
    $1$
  • D
    $0$

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Similar Questions

$\tan 5^{\circ} \cdot \tan 25^{\circ} \cdot \tan 45^{\circ} \cdot \tan 65^{\circ} \cdot \tan 85^{\circ}$ का मान $\ldots \ldots \ldots \ldots$ है।

यदि $\sqrt{3} \tan \theta = 1$ है,तो $\sin^{2} \theta - \cos^{2} \theta$ का मान ज्ञात कीजिए।

त्रिकोणमितीय अंतर्संबंधों के लिए निम्नलिखित में से कौन सा युग्म सही है?
$1. \cos \theta$ $a. \frac{\cos \theta}{\sin \theta}$
$2. \tan \theta$ $b. \frac{1}{\csc \theta}$
$3. \cot \theta$ $c. \frac{1}{\sec \theta}$
$4. \sin \theta$ $d. \frac{1}{\cot \theta}$
$e. \sin \theta \cdot \cos \theta$

$\tan ^{2} \theta - \sec ^{2} \theta = \ldots \ldots \ldots$

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

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