यदि $2 \sin^{2} \theta - \cos^{2} \theta = 2$ है,तो $\theta$ का मान ज्ञात कीजिए। ($^{\circ}$ में)

  • A
    $30$
  • B
    $90$
  • C
    $0$
  • D
    $120$

Explore More

Similar Questions

सिद्ध कीजिए कि,
$1 + \frac{\cot^{2} \alpha}{1 + \operatorname{cosec} \alpha} = \operatorname{cosec} \alpha$

$\sin (45^{\circ}+\theta)-\cos (45^{\circ}-\theta)$ का मान किसके बराबर है?

यदि $3 \theta$ एक न्यून कोण का माप है और $\sin 3 \theta = \cos (\theta - 26^{\circ})$ है,तो $\theta$ का मान $\ldots \ldots \ldots \ldots$ है। ($^{\circ}$ में)

$\frac{1}{\tan ^{2} \theta}+1 = \dots$

$(1+\tan ^{2} \theta)(1-\cos ^{2} \theta) = \dots$

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