त्रिभुज $ABC$ में सामान्य संकेतों के साथ,$\frac{\cos A-\cos C}{a-c}+\frac{\cos B}{b}=$

  • A
    $\frac{1}{b}$
  • B
    $\frac{2}{b}$
  • C
    $\frac{-1}{b}$
  • D
    $\frac{-2}{b}$

Explore More

Similar Questions

$\triangle ABC$ में,$(r_2 + r_3) \cot \left(\frac{B+C}{2}\right) = $

$\triangle ABC$ में,यदि $a=2, b=3$ और $\sin A=\frac{2}{3}$ है,तो $\angle B=$

$\triangle ABC$ में,$\frac{r_2(r_1+r_3)}{\sqrt{r_1 r_2+r_2 r_3+r_3 r_1}} =$

त्रिभुज $ABC$ में,यदि $A$ न्यूनकोण है,$C$ अधिककोण है,$\sin A = \frac{3\sqrt{3}}{14}$,$a = 3$ और $b = 5$ है,तो $c =$

$\Delta ABC$ में,$\left( {\cot \frac{A}{2} + \cot \frac{B}{2}} \right)\,\left( {a{{\sin }^2}\frac{B}{2} + b{{\sin }^2}\frac{A}{2}} \right) =$

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