awillis2k
awillis2k
19-06-2017
Mathematics
contestada
Find all solutions to 5cosθ = 3cosθ - 1.
Respuesta :
ghanami
ghanami
20-06-2017
hello :
5cosθ = 3cosθ - 1.
5cosθ - 3cosθ = 1.
2cos
θ =1
cosθ =1/2
all solutions :
cosθ =cos
π
/3
all solutions :
θ =π/3 +2kπ or θ = - π/3 +2kπ ....k in Z
Answer Link
VER TODAS LAS RESPUESTAS ( 53+ )
Otras preguntas
how does 10% as a fraction look?
Line segments AD and BE intersect at C, and triangles ABC and DEC are formed. They have the following characteristics: ∠ACB and ∠DCE are vertical angles ∠B ≅ ∠E
Given the arithmetic sequence an = 4 − 3(n − 1), what is the domain for n? (6 points)
Help please! 4 & 5!
Models can be used to obtain information about scientific processes and objects that may be difficult to study in real life. Which of the following scientific p
what do you think genetic diversity means? how is is similar or different from genetic variation?
The following table shows the data collected from four random samples of 50 students from a small middle school regarding their reading preferences: Book Prefe
1) As soon as Loraine arrived in town, she phoned Dee. (2) However Dee was not home. (3) Discouraged, by this Loraine walked four blocks to a coffee shop. (4) S
Spanish credit recovery
Which idea led to political revolution and the promotion of liberal government in France? A. Imperialism B. Constitutional monarchy C. European federalism D.
