If \( U_{n}=\sin n \theta \sec ^{n} \theta, V_{n}=\cos n \theta \sec ^{n} \theta \neq 1 \), then...

Channel:
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=7WK55r-_dn8



Duration: 6:04
1 views
0


If \( U_{n}=\sin n \theta \sec ^{n} \theta, V_{n}=\cos n \theta \sec ^{n} \theta \neq 1 \), then \( \frac{V_{n}-V_{n-1}}{U_{n-1}}+\frac{1}{n} \frac{U_{n}}{V_{n}} \) is equal to
(a) 0
(b) \( \tan \theta \)
(c) \( -\tan \theta+\frac{\tan n \theta}{n} \)
(d) \( \tan \theta+\frac{\tan n \theta}{n} \)
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live




Other Videos By PW Solutions


2022-11-16If \( 0 \leq x \leq \frac{\pi}{3} \) then range of \( f(x)=\sec \left(\frac{\pi}{6}-x\right) \) ...
2022-11-16Choose the correct statements from following: A. Taxonomic hierarchy includes seven obligate cat...
2022-11-16What is the difference between elution and spooling? How plant cell can be converted to protoplasts?
2022-11-16State two properties of a paramagnetic substance.
2022-11-16The minimum wavelength of \( X \)-rays produced by electrons accelerated by a potential differen...
2022-11-16The expression \( 3\left\{\sin ^{4}\left(\frac{3 \pi}{2}-\alpha\right)+\sin ^{4}(3 \pi+\alpha)\r...
2022-11-16Cut a transverse section of young stem of a plant from your school garden and abserve it under t...
2022-11-16Which one is present in tunica media? (A) Collagen fibres and smooth muscles (B) Yellow fibres a...
2022-11-16рдЪрд┐рдкрдХреЛ рдЖрдиреНрджреЛрд▓рди рдкрд░ рдЯрд┐рдкрдгрд░реНрдгреА рд▓рд┐рдЦрд┐рдПред
2022-11-16\[ (2 x-3)^{6} \] рд╡реНрдпрдВрдЬрдХ рдХрд╛ рдкреНрд░рд╕рд╛рд░ рдХреАрдЬрд┐рдП
2022-11-16If \( U_{n}=\sin n \theta \sec ^{n} \theta, V_{n}=\cos n \theta \sec ^{n} \theta \neq 1 \), then...
2022-11-16The area of the circle passing through the point \( (4,6) \) and having centre at \( (1,2) \) is
2022-11-16рдирд┐рдореНрди рдХреЛ рдЬрд▓ рдореЗрдВ рд╡рд┐рд▓реЗрдпрддрд╛ рдХреЗ рдШрдЯрддреЗ рдХреНрд░рдо рдореЗрдВ рд╡реНрдпрд╡рд╕реНрдерд┐рдд рдХреАрдЬрд┐рдП : (i) \( \mathrm{Be}(\mathrm{OH})_{2}, ...
2022-11-16рд╕реВрдХреНрд╖реНрдо рдкреЛрд╖рдХ рддрддреНрд╡реЛрдВ рдХреЗ рдкрд╛рджрдк рд╕рдВрдмрдВрдзреА рдХрд╛рд░реНрдп рд▓рд┐рдЦрд┐рдП- \( \mathrm{Mn} \)
2022-11-16roots of the equation \( \frac{1}{x+a}+\frac{1}{x+b}=\frac{1}{c} \) are equal in magnitude but o...
2022-11-16рдЕрд▓реИрдВрдЧрд┐рдХ рдЬрдирди рдореЗрдВ рдЬрдирдХреЛрдВ рдХреА рд╕рдВрдЦреНрдпрд╛ рд╣реЛрддреА рд╣реИ- (A) Content not found (B) рддреАрди (C) Content not found (D) рдПрдХред
2022-11-16\( 5-4(x-3)=x-2(x-1) \)
2022-11-16If \( 2 \tan A=3 \tan B \), then \( \frac{\sin 2 B}{5-\cos 2 B} \) is equal to (A) \( \tan A-\ta...
2022-11-16рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рдлрд▓рдиреЛрдВ рдХреЗ рдЕрд╡рдХрд▓рдЬ рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП (рдпрд╣ рд╕рдордЭрд╛ рдЬрд╛рдп рдХрд┐ \( a, b, c, d, p, q, r \) рдФрд░ рдирд┐рд╢реНрдЪрд┐рдд рд╢реВрдиреНрдп...
2022-11-16\( \mathrm{Al}_{2} \mathrm{O}_{3} \) formation involves large quantity of heat evolution which m...
2022-11-16The angle between \( \vec{a} \) and \( \vec{b} \) is \( 5 \pi / 6 \) and the projection of \( \v...