mehakbajaj34 mehakbajaj34
  • 01-04-2017
  • Mathematics
contestada

[tex]cos(3theta) =-1
[/tex]

Respuesta :

ghanami
ghanami ghanami
  • 01-04-2017
hello :
cos(3θ) = -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 , 2π]   the solutions are :
k=0 :  x = π/3
k=1 :  x = π
k=2 :  x = 5π/3



Answer Link

Otras preguntas

Imagine cashing or taking money using the Automated Teller Machine (ATM) and the banking hall, which of these two ways would you prefer. Classified the two ways
Difference between adam smith and marshall's definition of economics​
Lee y escoge la opción con la forma correcta del verbo para completar la frase. Read and choose the option with the correct form of the verb to complete the se
What part connect to the tie rod that helps the brake chamber out that deals with slack adjuster
28.6% of city employees ride the bus to work.Last year,29.7% of city employees rode the bus to work.What is the relative change from last year to this year
which of the following is an enzyme required by the process of rephosphory,to create ATP? A) AD Pase B)AT Pase C)Polymerase D)AT synthase ? ​
Consider the matrix [tex]A_{4x4}, det(A) = -2[/tex]Show that the following is true or false:[tex]det(adj(2A^{-1}) =-2^{9}[/tex]
Maria rides her bicycle to school at a constant speed of 15 miles per hour.If the distance to school is 6 miles,how many minutes will it take Maria to get to sc
The TCP\IP protocol was invented by who
10. Two primary sites for the polio virus replication?