mehakbajaj34 mehakbajaj34

01-04-2017
Mathematics

contestada

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

Respuesta :

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

Bethany has found herself pacing with a feeling of restlessness while Bernard is starting to perform normal routine actions in an unusually slow manner. While B

Latisha likes apple juice and orange juice equally well, however she normally drinks orange juice with her breakfast each day. Apple juice is packaged in bottle

Which assumption is not part of the kinetic-molecular theory of gases? A gas consists of particles that move randomly and rapidly. The size of gas particles is

find the equation of a line that is parallel to 5x-2y=-12 and passes through (2,-3)

Mort is going to the supermarket to pick up seven items – a toilet brush, shampoo, apples, toothpicks, baby diapers, a birthday card, and pasta. He has them wri

Calculate the concentration of H3O+ in a solution that contains 5.5 × 10-5 M OH- at 25°C. Identify the solution as acidic, basic, or neutral. a. 1.8 × 10-10 M,

22. Abnormalities In the 1980s, it was generally believed that congenital abnormalities affected about 5% of the nation’s children. Some people believe that the

In one of the classic nuclear physics experiments at the beginning of the 20th century, an alpha particle was accelerated towards a gold nucleus and its path wa

Elena es mayor que Juan. Elena es menor que Juan.

Allison needs 18 liters of a 5% saline solution. She has a 1% solution and a 10% solution available. How many liters of the 1% solution and how many liters of t