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A) Expresar en coordenadas polares el siguiente vector: = (12 + 8 ) ara expresar en coordenadas polares (R,) R = = a) (x,y) =
A) Expresar en coordenadas polares el siguiente vector: = (12 + 8 )
ara expresar en coordenadas polares (R,)
R =
=
a) (x,y) = (-12,8)
R =
R =
R =
R = 14,42
=
= -33,69
como este vector se encuentra en el cuarto cuadrante se le suma 360 para calcular el ngulo positivo medido desde el eje positivo de las x
= -33,69 + 360
= 326,31 326
(-12, 8) =(14.42, 326)
para expresar en coordenadas rectangulares (x,y)
x = R cos
y = R sen
b) (R,) = (115, 110)
x = 115 cos110 = -39,33
y = 115 sen110 = 14,09
(115, 110) =(-39.33, 14.09)
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