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Coordinate Systems: 3D

(Note: there are two spherical coordinate system conventions. The one used here is that the angle is on the plane z=0, measured clockwise from the x-axis. The angle is the angle relative to the z-axis.)

Variant #: 9

In cartesian coordinates x = 1.178, y = 2.803 and z = -44.61. What is the angle ?

o.?

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