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 ( 52+ )
Otras preguntas
According to erik erikson's psychosocial theory, a lifelong expectation that the world will be a good and pleasant place to live sets in during the ____ stage
What is the probability that a class of 50 has an average midterm mark that is less than 75?
1. Describe how you negotiate new concepts with prior learning and/or experiences. 2. Describe the balance between your personal values with college culture and
A $63,000 machine with a 7-year class life was purchased 2 years ago. The machine will now be sold for $50,000 and replaced with a new machine costing $75,000,
Describe how effective employee relations techniques prevent the need for unionization.
The base of each triangle varies inversely with the height. what are the possible base is 14 and height of a second triangle if the first triangle's base is 14
The systematic and continuous approach to providing emergent patient care includes which three elements?.
What makes the demand for u. s. dollars change? in world demand for u. s. exports ______ the demand for u. s. dollars. a in the u. s. interest rate differential
If the elevation in reservoir b is 100m, what must the elevation in reservoir a be if thevolume flow rate through the cast-iron pipe is 0. 03m3/s?
Read "The Patient Cat" by Laura E. Richards below and answer the question that follows. When the spotted cat first found the nest, there was nothing in it, for
