What quadrant is the coordinate (0,1) in?

1 Answer
George C.
Aug 26, 2016

It lies between quadrants 1 and 2

Explanation:

As far as I can tell, the definition of the four quadrants does not include the axes.

So if we represent angles by non-negative values of theta then:

Q1: 0 < theta < pi/2

Q2: pi/2 < theta < pi

Q3: pi < theta < (3pi)/2

Q4: (3pi)/2 < theta < 2pi

The point (0, 1) is on the positive part of the y axis, with angle theta = pi/2 from the x axis. So it lies between Q1 and Q2.

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