mehakbajaj34
mehakbajaj34
01-04-2017
Mathematics
contestada
[tex]cos(3theta) =-1
[/tex]
Respuesta :
ghanami
ghanami
01-04-2017
hello :
cos(3
θ) = -1
cos(3θ) = cos(
π)
general solution in : R is
3θ = (2k+1)π k in Z
θ = (2k+1)π/3
if θ in
[0 , 2
π] the solutions are :
k=0 : x = π/3
k=1 : x = π
k=2 : x = 5π/3
Answer Link
VER TODAS LAS RESPUESTAS ( 42+ )
Otras preguntas
find a common solution for each system of equations: y=3x+5 y=-5x-3
where does the shadow of the shuttle in space form?
Multiply these fractions (Lowest Terms) a) 2 x 3/4 b) 3 x 3/5 c) 4 x 1/3 d) 6 x 2/5 e) 1/2 x 1/4 f) 4/5 x 2/3 g) 5/6 x 3/4 h ) 1/10 x 2/3 i) 2 1/5 x 1/
All of the following are types of lyric poetry except; A. tankas. B. ballads. C. sonnets. D. madrigals.
where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.
Which expression can be used to change 75 kilometers per hour to meters per minute?
State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N, a * a = a , for all a * N.(ii) If * is a
where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.
Which expression can be used to change 75 kilometers per hour to meters per minute?
Find 4 consecutive even integers where the product of the two smaller numbers is 72 less than the product of the two larger numbers?
