Physics, 23.11.2020 15:20, williamschris462

In a coordinate system, if the x component of a vector and the angle between the vector and x-axis are known, then the magnitude of the vector is calculated by which operation, taken with respect to the x component?
Can someone help me by explaining this i have an exam tomorrow so please hurry

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In a coordinate system, if the x component of a vector and the angle between the vector and x-axis a...