मान लीजिए $f_k(x) = \frac{1}{k}(\cos^k x + \sin^k x)$ जहाँ $k \in \mathbb{N}$ है। $f_6(x) - f_4(x)$ का मान ज्ञात कीजिए।

  • A
    $\frac{1}{6}$
  • B
    $-\frac{1}{12}$
  • C
    $-\frac{1}{6}$
  • D
    $\frac{1}{12}$

Explore More

Similar Questions

यदि $\cos \alpha + \cos \beta + \cos \gamma = 0$ और $\sin \alpha + \sin \beta + \sin \gamma = 0$ है,तो $\cos 2\alpha + \cos 2\beta + \cos 2\gamma$ का मान ज्ञात कीजिए।

Difficult
View Solution

यदि $\cos \theta + \cos 7\theta + \cos 3\theta + \cos 5\theta = 0$ है,तो $\theta$ का मान ज्ञात कीजिए:

यदि $\sin 10^{\circ} \sin 50^{\circ} \sin 60^{\circ} \sin 70^{\circ} = m$ और $\tan 20^{\circ} \tan 40^{\circ} \tan 60^{\circ} \tan 80^{\circ} = n$ है,तो $\frac{n}{m}$ का मान ज्ञात कीजिए।

$\cos \frac{2 \pi}{15} \cos \frac{4 \pi}{15} \cos \frac{8 \pi}{15} \cos \frac{14 \pi}{15}$ का मान क्या है?

यदि $\frac{\cos (\theta_1+\theta_2)}{\cos (\theta_1-\theta_2)}+\frac{\cos (\theta_3-\theta_4)}{\cos (\theta_3+\theta_4)}=0$ है,तो $\cot \theta_1 \cdot \cot \theta_2 \cdot \cot \theta_3 \cdot \cot \theta_4=$

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