$\sin^2 \frac{\pi}{8} + \sin^2 \frac{3\pi}{8} + \sin^2 \frac{5\pi}{8} + \sin^2 \frac{7\pi}{8}$ का मान क्या है?

  • A
    $1$
  • B
    $2$
  • C
    $1\frac{1}{8}$
  • D
    $2\frac{1}{8}$

Explore More

Similar Questions

$0 < \phi < \frac{\pi}{2}$ के लिए,यदि $x = \sum_{n=0}^\infty \cos^{2n}\phi$,$y = \sum_{n=0}^\infty \sin^{2n}\phi$,और $z = \sum_{n=0}^\infty \cos^{2n}\phi \sin^{2n}\phi$ है,तो:

Difficult
View Solution

यदि $\tan \alpha = n \tan \beta$ और $\sin \alpha = m \sin \beta$ है,तो $\frac{m^{2}-1}{n^{2}-1} =$

Difficult
View Solution

यदि $\sec \theta = x + \frac{1}{4x}$ जहाँ $0^{\circ} < \theta < 90^{\circ}$ है,तो $\sec \theta + \tan \theta$ का मान ज्ञात कीजिए:

Difficult
View Solution

यदि $\tan \alpha$ और $\tan \beta$ समीकरण $x^2 + px + q = 0$ $(p \ne 0)$ के मूल हैं,तो:

Difficult
View Solution

यदि $\sin \theta + \cos \theta = x$ है,तो ${\sin ^6}\theta + {\cos ^6}\theta = \frac{1}{4}[4 - 3{({x^2} - 1)^2}]$ के लिए

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