यदि $A, B, C, D$ एक चक्रीय चतुर्भुज के कोण हैं,तो $\cos A + \cos B + \cos C + \cos D = $

  • A
    $2(\cos A + \cos C)$
  • B
    $2(\cos A + \cos B)$
  • C
    $2(\cos A + \cos D)$
  • D
    $0$

Explore More

Similar Questions

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

यदि $\cot \theta + \cos \theta = p$ और $\cot \theta - \cos \theta = q$ है,तो $p$ और $q$ के पदों में $(p^2 - q^2)^2$ का मान क्या होगा ($pq$ में)?

$\frac{\sin ^{3} A+\cos ^{3} A}{\sin A+\cos A}+\frac{\cos ^{3} A-\sin ^{3} A}{\cos A-\sin A}$ का मान है

$\tan 3A - \tan 2A - \tan A = $

यदि $y = (1 + \tan A)(1 - \tan B)$ जहाँ $A - B = \frac{\pi}{4}$ है,तो $(y + 1)^{y + 1}$ का मान क्या होगा?

Difficult
View Solution

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