If in a triangle \( A B C, \frac{\cos A}{a}=\frac{\cos B}{b}=\frac{\cos C}{c} \), then the trian... VIDEO
If in a triangle \( A B C, \frac{\cos A}{a}=\frac{\cos B}{b}=\frac{\cos C}{c} \), then the triangle is
(A) right angled
(B) equilateral
(C) obtuse angled
(D) isosceles
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2023-02-17 The numerical value of \( \mathrm{N} / \mathrm{n} \) (where \( N \) is number of molecules in \(... 2023-02-17 \( \int \frac{x e^{x}}{(1+x)^{2}} d x \) is equal to
(A) \( \frac{e^{x}}{x+1}+C \)
(B) \( e^{x}(... 2023-02-17 A random variable \( X \) has the following probability distribution:
\( \begin{array}{rllllllll... 2023-02-17 Polyethylene can be produced from calcium carbide according to the following sequence of reactio... 2023-02-17 The number of ways in which \( m+n(n \leq m+1) \) different things can be arranged in a row such... 2023-02-17 If \( 250 \mathrm{~mL} \) of a solution contains \( 24.5 \mathrm{~g} \mathrm{H}_{2} \mathrm{SO}_... 2023-02-17 The number of ways of arranging m positive and \( nm+1 \) negative signs in a row so that no two... 2023-02-17 The molar mass of hydrogen peroxide is 34 . What is the unit of gram molar mass?
(A) g
(B) mole
... 2023-02-17 Thenumber of waysin which 5 picturers can be hung from 7 picture nails on the wall is
(A) \( 7^{... 2023-02-17 Sulphur forms the chlorides \( \mathrm{S}_{2} \mathrm{Cl}_{2} \) and \( \mathrm{SCl}_{2} \). The... 2023-02-17 If in a triangle \( A B C, \frac{\cos A}{a}=\frac{\cos B}{b}=\frac{\cos C}{c} \), then the trian... 2023-02-17 If the angles \( A, B, C \) of a triangle are in A.P. and sides \( a, b, c \) are in G.P, then a... 2023-02-17 To complete a certain work, a workman \( A \) alone would take \( m \) times as many days as B a... 2023-02-17 Which sample contains the largest number of atoms?
(A) \( 1 \mathrm{mg} \mathrm{ofC}_{4} \mathrm... 2023-02-17 One mole of \( \mathrm{P}_{4} \) molecules contain:
(A) 1 molecule
(B) 4 molecules
(C) \( \frac{... 2023-02-17 For all \( x \in R \), if \( \lambda x^{2}-9 \lambda x+5 \lambda+10 \), then \( \lambda \) lies ... 2023-02-17 The radical is aromatic because it has :
(A) \( 7 p \)-orbitals and 6 unpaired electrons
(B) \( ... 2023-02-17 Show that \[ \int \sin m x \cos n x d x=-\frac{\cos (m+n) x}{2(m+n)}-\frac{\cos (m-n) x}{2(m-n)} \] 2023-02-17 Structure of the compound whose IUPAC name is 3-Ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid is... 2023-02-17 Arrange in order of increasing dipole moment (I) Toluene (II) \( m \)-dichlorobenzene (III) \( o... 2023-02-17 the vectors \( \overrightarrow{1}=a \hat{i}+\hat{j}+\hat{k}, r_{2}=\hat{i}+b \hat{j}+\hat{k}, \b...