Class 11MathematicsTrigonometrical EquationsRelation between sides and angles, Solutions of triangles
EasyIf in a triangle $ABC,$ $(s - a)(s - b) = s(s - c)$,then angle $C$ is equal to.....$^o$
- A$90$
- B$45$
- C$30$
- D$60$
Explore More
Similar Questions
In a $\triangle ABC$,$\cot A+\cot B+\cot C=$
DifficultTS EAMCET 2020
View SolutionIn $\triangle ABC$,if $(r_2-r_1)(r_3-r_1)=2 r_2 r_3$,then $2(r+R)=$
In a triangle $ABC$ with usual notations,if $\angle A = 30^{\circ}$,then the value of $\left(1+\frac{a}{c}+\frac{b}{c}\right)\left(1+\frac{c}{b}-\frac{a}{b}\right)=$
In a triangle $ABC$,$\cos 3A + \cos 3B + \cos 3C = 1$. If the circumradius of triangle $ABC$ is $\sqrt{3}$,then the length of its longest side is
In a triangle $ABC$,with usual notations,if $\frac{2 \cos A}{a} + \frac{\cos B}{b} + \frac{2 \cos C}{c} = \frac{a}{bc} + \frac{b}{ca}$,then $\angle A = $
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo