In \( \triangle A B C \) prove that, if \( \theta \) be any angle, then \( b \cos \theta=c \cos ...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=MCXSd7miQY0


Duration: 8:04
6 views
0

In \( \triangle A B C \) prove that, if \( \theta \) be any angle, then \( b \cos \theta=c \cos (A-\theta)+a \cos (C+\theta) \).
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-16If \( \alpha \) and \( \beta \) are imaginary cube roots of unity, then the value of \( \alpha^{...
2022-11-16рдЙрд╕ рдЬреИрд╕ рдХрд╛ рдиреНрдордо рдмреНрддрд╛рдЗрдПреНрдЬреЛ рд╕реЛрдбрд┐рдпрдо рд╣рд╛рдЗрдбреНрд░рд╛рдЗрдбреНрдбреА рдкрд╛рдиреА рдХреЗ рд╕рд╛рде рдЕрднрд┐рдХреНрд░рд┐рдпрд╛ рд╕реЗ рдирд┐рдХрд▓рддреА рд╣реИред
2022-11-16The following graph shows the variation of photocurrent for a photosensitive metal : Draw this g...
2022-11-16The circumentric nerve ning of Ascaris is located around : (A) buccal chamber (B) pharynx (C) oe...
2022-11-16рдЬреАрди рдЙрддреНрдкрд░рд┐рд╡рд░реНрддрди рдХреНрдпрд╛ рд╣реИ
2022-11-16рд▓реИрдВрдЧрд┐рдХ рдЬрдирди рддрдерд╛ рдЕрд▓реИрдВрдЧрд┐рдХ рдЬрдирди рдореЗрдВ рдкрд╛рдБрдЪ рдЕрдВрддрд░ рд▓рд┐рдЦрд┐рдПред
2022-11-16Maximum opening of stomata occurs in (A) Red light (B) Green light (C) Blue light (D) Yellow light
2022-11-16Four massless springs whose force constants are \( 2 k, 2 k \), \( k \) and \( 2 k \) respective...
2022-11-16Write down the cube of each of the following expressions: \[ \frac{1}{p^{4} r^{3}} \text {. } \]
2022-11-16рд╕рднреА рдПрдХреНрдЯрд┐рдиреЙрдпрдбреНрд╕ рдХреА рд╕рд░реНрд╡реАрдзрд┐рдХ рд╕реНрдерд╛рдпреА рдСрдХреНрд╕реАрдХрд░рдг рдЕрд╡рд╕реНрдерд╛ рд▓рд┐рдЦрд┐рдПред
2022-11-16In \( \triangle A B C \) prove that, if \( \theta \) be any angle, then \( b \cos \theta=c \cos ...
2022-11-16Give the main characters of Dinoflagellates.
2022-11-16рдЖрд╡рд╢реНрдпрдХ рддрдерд╛ рдЕрдирд╛рд╡рд╢реНрдпрдХ рдРрдореАрдиреЛ рдЕрдореНрд▓ рдХреНрдпрд╛ рд╣реЛрддреЗ рд╣реИрдВ? рдкреНрд░рддреНрдпреЗрдХ рдкреНрд░рдХрд╛рд░ рдХреЗ рджреЛ рдЙрджрд╛рд╣рд░рдг рджреАрдЬрд┐рдПред
2022-11-16Cell was discovered by (A) Swanson (B) Leeuwenhoek (C) Robert Hooke (D) Robert Brown
2022-11-16Two polaroids are kept crossed to each other. Now one of them is rotated through an angle of \( ...
2022-11-16In a horizontal spring-mass system, mass \( m \) is released after being displaced towards right...
2022-11-16A simple pendulum consisting of a mass \( M \) attached to a string of length \( L \) is release...
2022-11-16\( \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NH}_{2}+\mathrm{NaNO}_{2}+\mathrm{HCl} \longrightarrow ? \)
2022-11-16Which of the following is a gaseous PGR? (A) Auxin (B) Cytokinin (C) Gibberellin (D) Ethylene
2022-11-16Define polymorphism. Explain it with reference to the structure of Obelia colony.
2022-11-16Write down the values of the following products: \[ (x-5)(x-8) \]