Vector u has an initial point at (−5, 2) and a terminal point at (−7, 9). Which of the following represents u in trigonometric form? a u = 7.28(cos 74.055°i + sin 74.055j) b u = 7.28(cos 105.945°i + sin 105.945°j) c u = 7.28(sin 74.055°i + cos 74.055°j) d u = 7.28(sin 105.945°i + cos 105.945°j)
Vector u has an initial point at (−5, 2) and a terminal point at (−7, 9). Which of the following represents u in trigonometric form? a u = 7.28(cos 74.055°i + sin 74.055j) b u = 7.28(cos 105.945°i + sin 105.945°j) c u = 7.28(sin 74.055°i + cos 74.055°j) d u = 7.28(sin 105.945°i + cos 105.945°j)
Vector u has an initial point at (−5, 2) and a terminal point at (−7, 9). Which of the following represents u in trigonometric form? a u = 7.28(cos 74.055°i + sin 74.055j) b u = 7.28(cos 105.945°i + sin 105.945°j) c u = 7.28(sin 74.055°i + cos 74.055°j) d u = 7.28(sin 105.945°i + cos 105.945°j)
Vectoru has an initial point at (−5, 2) and a terminal point at (−7, 9). Which of the following represents u in trigonometric form?
a
u = 7.28(cos 74.055°i + sin 74.055j)
b
u = 7.28(cos 105.945°i + sin 105.945°j)
c
u = 7.28(sin 74.055°i + cos 74.055°j)
d
u = 7.28(sin 105.945°i + cos 105.945°j)
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
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