$\sin (45^{\circ}+\theta)-\cos (45^{\circ}-\theta)$ का मान किसके बराबर है?

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

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Similar Questions

यदि $\cot \theta = \frac{a}{b}$ है,तो $\frac{\cos \theta - \sin \theta}{\cos \theta + \sin \theta} = \ldots$

$\frac{\sec \theta-1}{\sec \theta+1} = \ldots$

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

यदि $\sin A = \frac{1}{2}$ है,तो $\cot A$ का मान ज्ञात कीजिए।

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

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