यदि $0 < \theta < 90$ और $\sin \theta = \cos 30$ है,तो $2 \tan^2 \theta - 1 = \dots$

  • A
    $5$
  • B
    $4$
  • C
    $3$
  • D
    $0$

Explore More

Similar Questions

यदि $3 \cot \theta = 4$ है,तो $\frac{1 - \tan^2 \theta}{1 + \tan^2 \theta} = \dots$ ज्ञात कीजिए।

$(1-\cos \theta)(1+\cos \theta) = \dots$

$\cos 35^{\circ} = \ldots \ldots \ldots$

यदि $\sin \theta + \cos \theta = \sqrt{3}$ है,तो सिद्ध कीजिए कि $\tan \theta + \cot \theta = 1$ है।

न्यूनकोण $A$ और $B$ के लिए,यदि $\tan A = 1$ और $\sin B = \frac{1}{\sqrt{2}}$ है,तो $\cos (A + B) = \dots$

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