Given vector u, what is the magnitude, |u|, and directional angle, θ, in standard position?
2 answers:
You might be interested in
Answer:
Option C
Step-by-step explanation:
By the property of a rectangle,
"All interior angles of a rectangle measure 90°"
Therefore, m∠ABC = 90°
By applying cosine rule in the right triangle ABC,
cos(∠CAB) =
cos(25°) =
AC =
AC =
AC = 19.86
Therefore, Option C will be the answer.
