A vector has an x-component of 10 units, and a y-component of 17.3 units.

Question: A vector has an x-component of 10 units, and a y-component of 17.3 units. What is its angle with positive x-axis?
A. 60°
B. 240°
C. 120°
D. 181.05°
E. 01.05°

Solution: Let θ be the angle the
tanθ = y/x = 17.3/10
θ = tan^-1(17.3/10)
θ = 59.97
θ = 60°

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