In any \( \triangle A B C \), prove that \[ \Sigma \frac{\sqrt{\sin A}}{\sqrt{\sin B}+\sqrt{\sin...

Channel:
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=Vc7omryb3tM



Duration: 7:45
0 views
0


In any \( \triangle A B C \), prove that
\[
\Sigma \frac{\sqrt{\sin A}}{\sqrt{\sin B}+\sqrt{\sin C}-\sqrt{\sin A}} \geq 3
\]
and the equality holds if and only if triangle is equilateral.
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live




Other Videos By PW Solutions


2022-11-16Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomat...
2022-11-16If \( \sin \alpha=\sin \beta \) and \( \cos \alpha=\cos \beta \), then (A) \( \sin \frac{\alpha+...
2022-11-16If \( \int \frac{\cos 4 x+1}{\cot x-\tan x} d x=A \cos 4 x+B \), then (A) \( A=-1 / 2 \) (B) \( ...
2022-11-16In the given circuit, it is observed that the current \( I \) is independent of the value of the...
2022-11-16Find the value of \( k \) so that the function \( f \) defined by \( f(x)=\left\{\begin{array}{c...
2022-11-16рдЦрдирд┐рдЬ рдкреЛрд╖рдг рдХреНрдпрд╛ рд╣реИ ? рдкрд╛рджрдк рдкреЛрд╖рдг рдореЗрдВ рдореИрдЧреНрдиреАрд╢рд┐рдпрдо рддрдерд╛ рдЖрдпрд░рди рдХреЗ рдорд╣рддреНрддреНрд╡ рдХрд╛ рдЙрд▓реНрд▓реЗрдЦ рдХреАрдЬрд┐рдПред
2022-11-16рдЯреА. рдмреА. рд░реЛрдЧ рдХреЗ рдирд┐рдпрдиреНрддреНрд░рдг рдХреЗ рд▓рд┐рдП рдЯреАрдХрд╛ рдЙрдкрдпреЛрдЧ рдореЗрдВ рдЖрддрд╛ рд╣реИ- (A) рдмреА. рд╕реА. рдЬреА. (B) рдПрд▓. рдПрд╕. рдбреА. (C) рд╡реИрдХреНрд╕...
2022-11-16If electric field intensity is zero at a given point, will the electric potential be necessarily...
2022-11-16There are two spherical surfaces of radii \( R_{1}=30 \mathrm{~cm} \) and \( R_{2}=60 \mathrm{~c...
2022-11-16The shape of the cell depends on their (A) Complexity (B) Function (C) Composition (D) All of these
2022-11-16In any \( \triangle A B C \), prove that \[ \Sigma \frac{\sqrt{\sin A}}{\sqrt{\sin B}+\sqrt{\sin...
2022-11-16Step-down transformers are used to decrease or step-down voltage. These are used when voltage ne...
2022-11-16If \( \mathrm{A}=\{1,2,3,4\}, \mathrm{B}=\{3,4,5\}, \mathrm{C}=\{4,5,7,8\} \); then find \( \mat...
2022-11-16If the quadratic equation \( 4^{\sec ^{2} \alpha} x^{2}+2 x+\left(\beta^{2}-\beta+\frac{1}{2}\ri...
2022-11-16Which one of the following conditions correctly describes the manner of determining the sex in t...
2022-11-16If \( k=\sin ^{6} x+\cos ^{6} x \), then \( k \) belongs to the interval (A) \( [7 / 8,5 / 4] \)...
2022-11-16If \( A, B, C \) are the angle of a triangle and \( \left|\begin{array}{ccc}\sin A & \sin B & \s...
2022-11-16The linear structure is assumed by: (A) \( \mathrm{SnCl}_{2} \) (B) \( \mathrm{NCO}^{-} \) (C) \...
2022-11-16Assertion (A): Endosperm is haploid in gymnosperm. Reason (R): In Cycas, stem is usually branche...
2022-11-16рдРрд╕рд╛ рдХрд╛рд░рдХ, рдЬреЛ рд╕рдВрдпреЛрдЬрдХрддрд╛ рдЗрд▓реЗрдХреНрдЯреНрд░реЙрди рдХреЛ рдкреНрд░рднрд╛рд╡рд┐рдд рдХрд░рддрд╛ рд╣реИ, рдЙрд╕ рддрддреНрддреНрд╡ рдХреА рд░рд╛рд╕рд╛рдпрдирд┐рдХ рдкреНрд░рд╡реГрддреНрддрд┐ рднреА рдкреНрд░рднрд╛рд╡рд┐...
2022-11-16рдХрд┐рд╕реА рдмрд┐рдиреНрджреБ рдЖрд╡реЗрд╢ рдХреЗ рдХрд╛рд░рдг рдХрд┐рд╕реА рдмрд┐рдиреНрджреБ рдкрд░ рд╡реИрджреНрдпреБрдд рдХреНрд╖реЗрддреНрд░ 20 рдиреНрдпреВрдЯрди/рдХреВрд▓реЙрдо рддрдерд╛ рд╡реИрджреНрдпреБрдд рд╡рд┐рднрд╡ 10 рдЬреВрд▓/...