Math Problem Statement
x = −3.00 cm, y = + 8.00 cm
What angle does the vector make with the +y-axis in counterclockwise direction? A positive angle is counterclockwise from the +y-axis.
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Components
Trigonometry
Coordinate Geometry
Formulas
tan(θ) = opposite / adjacent
θ = arctan(y / x)
Angle relative to y-axis = 90° + θ_x
Theorems
Inverse Tangent Function
Angle Measurement in Coordinate Plane
Suitable Grade Level
Grades 10-12