यदि $A = 130^\circ$ और $x = \sin A + \cos A$ है,तो

  • A
    $x > 0$
  • B
    $x < 0$
  • C
    $x = 0$
  • D
    $x \le 0$

Explore More

Similar Questions

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

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

$\frac{1+\cos \theta-\sin \theta}{1+\cos \theta+\sin \theta}+\frac{1+\cos \theta+\sin \theta}{1+\cos \theta-\sin \theta}=$

यदि $\sinh x = -\frac{4}{3}$ है,तो $\sinh 2x + \cosh 2x = $

यदि $a \sin^2 \theta + b \cos^2 \theta = c$ है,तो $\tan^2 \theta$ का मान क्या होगा?

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