PW Solutions

PW Solutions

Views:
6,990,178
Subscribers:
502,000
Videos:
422,187
Duration:
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PW Solutions is a content creator on YouTube with at least 502 thousand subscribers, publishing more than 422.19 thousand videos which altogether total over 6.99 million views.

Created on ● Channel Link: https://www.youtube.com/channel/UCrgyLs7vuu1lyy963Ycd-6A



Top 100 SiN Videos With The Most Comments by PW Solutions


Video TitleCommentsCategoryGame
1.Prove that \( \sin x+\sin 3 x+\ldots+\sin (2 n-1) x=\frac{\sin ^{2} n x}{\sin x} \) for all \( n...0SiN
2.For an \( A C \) circuit the potential difference and current are given by \( V=10 \sqrt{2} \sin....0SiN
3.Mark the correct alternative in each of the following: If \( f(x)=\left\{\begin{array}{cc}x \sin...0SiN
4.Prove that: \[ \sin (x+y) \sin (x-y)+\sin (y+z) \sin (y-z)+\sin (z+x) \sin (z-x)=0 \]0SiN
5.If in a \( \triangle A B C \), \[ (\sin A+\sin B+\sin C)(\sin A+\sin B-\sin C)=3 \sin A \sin B \...0SiN
6.A particle moves along \( y \)-axis according to the equation \( y( \) in \( \mathrm{cm})=3 \sin...0SiN
7.If \( A+B+C=180^{\circ}, \frac{\sin 2 A+\sin 2 B+\sin 2 C}{\sin A+\sin B+\sin C}=k \sin \frac{A}...0SiN
8.If in a triangle \( A B C(\sin A+\sin B+\sin C) \) \( (\sin A+\sin B-\sin C)=3 \sin A \sin B \),...0SiN
9.यदि \( A+B+C=0 \) तो सिद्ध कीजिए कि- \[ \sin A+\sin B+\sin C=-4 \sin \frac{A}{2} \sin \frac{B}{2...0SiN
10.Let \( P=\sin 25^{\circ} \sin 35^{\circ} \sin 60^{\circ} \sin 85^{\circ} \) and \( Q=\sin 20^{\c...0SiN
11.सिद्ध कीजिए कि \[ \begin{aligned} \sin A+\sin 2 A+& \sin 4 A+\sin 5 A \\ &=4 \sin 3 A \cdot \cos...0SiN
12.If \( \sin x+\sin y=\sqrt{3}(\cos y-\cos x) \), then \( \sin 3 x+\sin 3 y= \) (A) \( 2 \sin 3 x ...0SiN
13.\( \sin 7 \theta+6 \sin 5 \theta+17 \sin 3 \theta+12 \sin \theta \) is equal to \( \sin 6 \theta...0SiN
14.\( \triangle A B C \) में सिद्ध कीजिए कि- \[ \frac{\sin 2 A+\sin 2 B+\sin 2 C}{\sin A+\sin B+\si...0SiN
15.गणितीय आगमन सिद्धान्त से सिद्ध कीजिए कि \[ \sin x+\sin 2 x+\sin 3 x+\ldots+\sin n x=\frac{\sin \...0SiN
16.Write down the differential coefficients of \( \sin x \sin 2 x \sin 3 x, \sin x \cdot \sin 2 x /...0SiN
17.Prove that: \[ \sin ^{2} x+\sin ^{2}(x-y)-2 \sin x \cos y \sin (x-y)=\sin ^{2} y \]0SiN
18.Prove that : \[ \frac{\sin 11 A \sin A+\sin 7 A \sin 3 A}{\cos 11 A \sin A+\cos 7 A \sin 3 A}=\t...0SiN
19.\( \sin 47^{\circ}+\sin 61^{\circ}-\sin 11^{\circ}-\sin 25^{\circ} \) is equal to (1) \( \sin 36....0SiN
20.Prove that \[ \sin x+\sin 2 x+\sin 4 x+\sin 5 x=4 \cos \frac{x}{2} \cos \frac{3 x}{2} \sin 3 x \]0SiN
21.If in a triangle \( A B C(\sin A+\sin B+\sin C) \) \( (\sin A+\sin B-\sin C)=3 \sin A \sin B \),...0SiN
22.आवर्त गति करते एक कण का विस्थापन \( y \), समीकरण \( y=4 \cos ^{2}\left(\frac{1}{2} t\right) \sin...0SiN
23.Given that the displacement of an oscillating particle is given by \( \mathrm{y}=\mathrm{A} \sin...0SiN
24.Prove that \[ \sin A \sin (A+2 B)-\sin B \sin (B+2 A)=\sin (A-B) \sin (A+B) \]0SiN
25.यदि \( (1-\sin A)(1-\sin B)(1-\sin C)=(1+\sin A) \) \( (1+\sin B)(1+\sin C) \), तो सिद्ध कीजिए क...0SiN
26.Let \( P=\sin 25^{\circ} \sin 35^{\circ} \sin 60^{\circ} \sin 85^{\circ} \) and \( Q=\sin 20^{\c...0SiN
27.Write down the differential coefficients of \( \sin 2 x, \sin n x, \sin ^{n} x, \sin x^{n}, \sin...0SiN
28.सिद्ध कीजिए कि \( \sin ^{2} B=\sin ^{2} A+\sin ^{2}(A-B)-2 \sin A \) \( \cos B \sin (A-B) \)0SiN
29.If in a \( \triangle A B C \), \( \sin ^{4} A+\sin ^{4} B+\sin ^{4} C \) \( =\sin ^{2} B \sin ^{...0SiN
30.If electric field intensity of a uniform plane electromagnetic wave is given as \[ E=-301.6 \sin...0SiN
31.\( \sin 10^{\circ}+\sin 20^{\circ}+\sin 40^{\circ}+\sin 50^{\circ}=\sin 70^{\circ}+\sin 80^{\cir...0SiN
32.If \( n^{2} \sin ^{2}(\alpha+\beta)=\sin ^{2} \alpha+\sin ^{2} \beta-2 \sin \alpha \sin \beta \c...0Let's PlaySiN
33.सिद्ध कीजिए कि \[ \begin{aligned} \sin A+\sin 2 A+& \sin 4 A+\sin 5 A \\ &=4 \sin 3 A \cdot \cos...0SiN
34.यदि \( (1-\sin A)(1-\sin B)(1-\sin C)=(1+\sin A) \) \( (1+\sin B)(1+\sin C) \), तो सिद्ध कीजिए क...0SiN
35.Prove that: \[ \frac{\sin 5 x+2 \sin 8 x+\sin 11 x}{\sin 8 x+2 \sin 11 x+\sin 14 x}=\frac{\sin 8...0SiN
36.Let \( P=\sin 25^{\circ} \sin 35^{\circ} \sin 60^{\circ} \sin 85^{\circ} \) and \( Q=\sin 20^{\c...0SiN
37.Prove that \[ \sin x+\sin 2 x+\sin 4 x+\sin 5 x=4 \cos \frac{x}{2} \cos \frac{3 x}{2} \sin 3 x \]0SiN
38.Prove that : \[ \frac{\sin 11 A \sin A+\sin 7 A \sin 3 A}{\cos 11 A \sin A+\cos 7 A \sin 3 A}=\t...0SiN
39.\( x \sin a+y \sin 2 a+z \sin 3 a=\sin 4 a \) \( x \sin b+y \sin 2 ...0SiN
40.सिद्ध कीजिए कि \[ \frac{\sin 5 A+2 \sin 8 A+\sin 11 A}{\sin 8 A+2 \sin 11 A+\sin 14 A}=\frac{\si...0SiN
41.Force \( \mathrm{F} \) is given in terms of time t  and distance x by F \( =\mathrm{A} \sin...0SiN
42.\( \sin x+\sin 3 x+\sin 5 x+\sin 7 x \) \( =4 \cos x \cos 2 x \sin 4 x \)0SiN
43.Prove that \( \sin x+\sin 3 x+\ldots+\sin (2 n-1) x=\frac{\sin ^{2} n x}{\sin x} \) for all \( n...0SiN
44.If electric field intensity of a uniform plane electromagnetic wave is given as \[ E=-301.6 \sin...0SiN
45.A particle moves along \( y \)-axis according to the equation \( y( \) in \( \mathrm{cm})=3 \sin...0SiN
46.\( \frac{\sin x}{\sin 2 x \sin 3 x}+\frac{\sin x}{\sin 3 x \sin 4 x...0SiN
47.सिद्ध कीजिए कि \( \sin A \sin 2 A+\sin 3 A \sin 6 A-\sin 4 A \sin 5 A=0 \)0SiN
48.Prove that: \[ \sin ^{2} B=\sin ^{2} A+\sin ^{2}(A-B)-2 \sin A \cos B \sin (A-B) \]0SiN
49.यदि \( (1-\sin A)(1-\sin B)(1-\sin C)=(1+\sin A)(1+\sin B)(1+\sin C) \), तो दिखाइए कि प्रत्येक \...0SiN
50.Prove that \( \sin x+\sin 3 x+\ldots+\sin (2 n-1) x=\frac{\sin ^{2} n x}{\sin x} \) for all \( n...0SiN
51.यदि \( x \sin a+y \sin 2 a+z \sin 3 a=\sin 4 a \) \( x \sin b+y \sin 2 b+z \sin 3 b=\sin 4 b \) ...0SiN
52.If \( A+B+C=180^{\circ}, \frac{\sin 2 A+\sin 2 B+\sin 2 C}{\sin A+\sin B+\sin C}=k \sin \frac{A}...0SiN
53.Prove that \(sin\ x + sin\ 3x + sin\ 5x + sin\ 7x = 4cos\ x \cdot cos\ 2x \cdot sin\ 4x\)...0SiN
54.If \\(A=\\left[\\begin{array}{cc}\\cos \\alpha & -\\sin \\alpha \\\\ \\sin \\alpha & \\c....0SiN