ધન પૂર્ણાંક $n$ માટે,ધારો કે ${f_n}(\theta ) = \left( {\tan \frac{\theta }{2}} \right)\,(1 + \sec \theta )\,(1 + \sec 2\theta )\,(1 + \sec 4\theta ) \dots (1 + \sec {2^n}\theta ).$ તો

  • A
    ${f_2}\left( {\frac{\pi }{{16}}} \right) = 1$
  • B
    ${f_3}\left( {\frac{\pi }{{32}}} \right) = 1$
  • C
    ${f_4}\left( {\frac{\pi }{{64}}} \right) = 1$
  • D
    ઉપરના તમામ

Explore More

Similar Questions

જો $A + B + C = 180^o$ હોય,તો $\frac{\tan A + \tan B + \tan C}{\tan A \cdot \tan B \cdot \tan C} = $

જો $180^{\circ} < \theta < 270^{\circ}$ હોય,તો $\sqrt{4 \sin^{4} \theta + \sin^{2} 2\theta} + 4 \cos^{2} \left(\frac{\pi}{4} - \frac{\theta}{2}\right)$ ની કિંમત શોધો.

જો $\cos \theta + \sin \theta = \sqrt{2} \cos \theta$ હોય,તો $\cos \theta - \sin \theta =$

$\theta$ ના તમામ શક્ય મૂલ્યો માટે $\frac{\sin^2 \theta}{\sin \theta - \cos \theta} - \frac{\sin \theta + \cos \theta}{\tan^2 \theta - 1}$ ની કિંમત:

જો $\tan \theta = \frac{1}{\sqrt{11}}$ અને $0 < \theta < \frac{\pi}{2}$ હોય,તો $\frac{\operatorname{cosec}^{2} \theta - \sec ^{2} \theta}{\operatorname{cosec}^{2} \theta + \sec ^{2} \theta}$ ની કિંમત શોધો.

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