$k$ का वह मान,जिसके लिए $(\cos x + \sin x)^2 + k \sin x \cos x - 1 = 0$ एक सर्वसमिका है,है

  • A
    $-1$
  • B
    $-2$
  • C
    $0$
  • D
    $1$

Explore More

Similar Questions

यदि $\tan \theta + \cot \theta = 2$ है,तो $\tan^{100} \theta + \cot^{100} \theta$ का मान ज्ञात कीजिए।

यदि $\tan A + \cot A = 4$ है,तो ${\tan ^4}A + {\cot ^4}A$ का मान क्या होगा?

$\cot 70^\circ + 4\cos 70^\circ$ का मान क्या है?

$\tan 9^{\circ} - \tan 27^{\circ} - \tan 63^{\circ} + \tan 81^{\circ}$ का मान क्या है?

$\cot (45^\circ + \theta ) \cot (45^\circ - \theta ) = $

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