यदि $(1+\tan ^{2} \theta)=\frac{625}{49}$ और $\theta$ न्यूनकोण है,तो $\sqrt{\sin \theta+\cos \theta}$ का मान क्या है?

  • A
    $1$
  • B
    $\frac{5}{4} \sqrt{\frac{31}{42}}$
  • C
    $\frac{\sqrt{31}}{5}$
  • D
    $\frac{5}{7}$

Explore More

Similar Questions

यदि $\tan \theta \cdot \cos 60^{\circ} = \frac{\sqrt{3}}{2}$ है,तो $\sin (\theta - 15^{\circ})$ का मान ज्ञात कीजिए।

यदि $A + B + C = 180^\circ$ है,तो $\sum \tan \frac{A}{2} \tan \frac{B}{2} = $

$\cos 12^\circ + \cos 84^\circ + \cos 156^\circ + \cos 132^\circ$ का मान क्या है?

यदि $\tan B = \frac{n \sin A \cos A}{1 - n \cos^2 A}$ है,तो $\tan(A + B)$ का मान ज्ञात कीजिए।

$\frac{\sin^2 A - \sin^2 B}{\sin A \cos A - \sin B \cos B} = $

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo