यदि $\sec \theta = \frac{13}{5}$ है,तो $\cos \theta = \ldots \ldots \ldots \ldots$

  • A
    $\frac{12}{5}$
  • B
    $\frac{5}{12}$
  • C
    $\frac{5}{13}$
  • D
    $\frac{13}{12}$

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Similar Questions

यदि $\sin \alpha = \frac{1}{2}$ और $\cos \beta = \frac{1}{2}$ है,तो $(\alpha + \beta)$ का मान क्या होगा ($^{\circ}$ में)?

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

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

$\sin^{2} 60^{\circ} - \tan 45^{\circ} + \cos^{2} 30^{\circ} - \cot 90^{\circ} = \ldots$

$\sin^{2} 30^{\circ} - \tan 45^{\circ} + \cos^{2} 60^{\circ} - \cot 90^{\circ}$ का मान ........ है।

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