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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