kcsiddell
kcsiddell
12-11-2016
Mathematics
contestada
Cos theta -2sin theta cos theta =0
Respuesta :
mreijepatmat
mreijepatmat
28-05-2017
cos(Ф) - 2sin(Ф).cos(Ф) =0
Factorize--> cos(Ф)[ 1-2sin(Ф)] =0
a) cos(Ф) = 0 ==> Ф= 0 or (0+2kπ)
b) 1-2sin(Ф) =0 ==> -2sin(Ф) = - 1 ==> sin(Ф) =1/2 Or
sin(Ф) = 1/2 ==> Ф =π/3 OR π/3 + (k+1)π/3
Answer Link
VER TODAS LAS RESPUESTAS ( 24+ )
Otras preguntas
A mechanical device rests in a level position on two supports, each 42 inches high, at 60°F. The support at one end is gray cast iron; at the other end, structu
help plz need it ASAP.
How far apart must two protons be if the electrical force acting on either one is equal to its weight on the earth's surface when the mass of proton is 1.7×10^-
Find the measure of angle x in the figure below: to 55° 55° O 65 0709 0110°
the circulatory system help to maintain homeostasis by interacting with the
If the side length of a square is 49 cm, what is the area of the square?
what impression is given about the hippies in the USA
Can someone help me with this? Preferably with an explanation on how to actually figure this out. Thank you!
please help me asap!!!
How does a person's character explain a lot about them?
