If \( \sin \alpha, \sin \beta \) and \( \cos \alpha \) are in G.P, ...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=db-9gCe4EpU


Duration: 5:55
16 views
0

If \( \sin \alpha, \sin \beta \) and \( \cos \alpha \) are in G.P, then roots of the equation \( x^{2}+2 x \cot \beta+1= \) 0 are always.
P
(A) equal
(B) real
W
(C) imaginary
(D) greater than 1
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-14A toroid of core of inner radius \( 0.25 \mathrm{~m} \) and outer r...
2023-02-14Amphoteric hydroxides react with both alkalles and acids. Which of the following Group 2 metal h...
2023-02-14The solution of the equation \( \tan \theta \cdot \tan 2 \theta=1 \...
2023-02-14If \( \tan \alpha \) and \( \tan \beta \) are the roots of \( x^{2}...
2023-02-14Let \( y=y(x) \) be the solution of the differential equation, \( \...
2023-02-14Which of the following statements is incorrect about the collison t...
2023-02-14A polygon shaped wire is inscribed in a circle of radius \( R \). T...
2023-02-14For a toroid, magnetic field strength in the region enclosed by wir...
2023-02-14Two bodies with moments of inertia \( I_{1} \) and \( I_{2}\left(I_{1}I_{2}\right) \) have equal...
2023-02-14If \( e^{y}+x y=e \), the ordered pair \( \left(\frac{d y}{d x}, \f...
2023-02-14If \( \sin \alpha, \sin \beta \) and \( \cos \alpha \) are in G.P, ...
2023-02-14An infinitely long conductor \( P Q R \) is bent to form a right an...
2023-02-14If \( \cos \theta=\frac{\cos \alpha-\cos \beta}{1-\cos \alpha \cos ...
2023-02-14A short bar magnet of magnetic moment \( 5.25 \times 10^{-2} \mathrm{~J} \mathrm{~T}^{-1} \) is ...
2023-02-14Which of the following statements is not correct about order of a r...
2023-02-14If in a \( \triangle \mathrm{ABC}, \angle \mathrm{C}=90^{\circ} \),...
2023-02-14The solubility of metal halides depends on their nature. lattice enthalpy and hydration enthalpy...
2023-02-14Rate law for the reaction \( \mathrm{A}+2 \mathrm{~B} \longrightarr...
2023-02-14A long solenoid has 20 turns \( \mathrm{cm}^{-1} \). The current ne...
2023-02-14Which of the following graphs represents exothermic reaction? (a) (...
2023-02-14Which of the following statements is correct? (i) The rate of a rea...


Tags:
pw