Class 11 Mathematics Trigonometrical Equations Relation between sides and angles, Solutions of triangles

Easy

In $\Delta ABC,$ $\text{cosec } A(\sin B \cos C + \cos B \sin C) = $

A
$c/a$
B
$a/c$
C
$1$
D
$c/ab$

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Mathematics Questions

Chapter

Trigonometrical Equations

Subtopic

Relation between sides and angles, Solutions of triangles

Similar Questions

If in a $\Delta ABC$,$\cos A + 2\cos B + \cos C = 2$,then $a, b, c$ are in

Difficult

In a $\Delta ABC$,$a, b, A$ are given and $c_1, c_2$ are two values of the third side $c$. The sum of the areas of the two triangles with sides $(a, b, c_1)$ and $(a, b, c_2)$ is

Easy

In $\triangle ABC$,if $a = 2b$ and $|A - B| = \frac{\pi}{3}$,then $\angle C = $

DifficultAP EAMCET 2017

Let $A, B$ and $C$ be three angles of a $\triangle ABC$ such that $\cos A + \cos B + \cos C = \frac{3}{2}$,then the $\triangle ABC$ is

MediumAP EAMCET 2020

In $\Delta ABC,$ if $8{R^2} = {a^2} + {b^2} + {c^2},$ then the triangle is

Medium

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.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.