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Science-Related Homework Help Mathematics Topic started by: savio on Jan 5, 2015



Title: What quadrant does the angle 90 degrees fit into?
Post by: savio on Jan 5, 2015
In trigonometry, what quadrant does the angle 90 degrees fit into?

First or the second?


Title: Re: What quadrant does the angle 90 degrees fit into?
Post by: bio_man on Jan 5, 2015
That's a quadrantal angle, which is one that is in the standard position and has a measure that is a multiple of 90° (or π/2 radians). A quadrantal angle will have its terminal lying along an x or y axis.


Title: Re: What quadrant does the angle 90 degrees fit into?
Post by: Jnsweeps on Jan 5, 2015
It doesn't lie in either quadrant one or two. It lies on the positive y axis.


Title: Re: What quadrant does the angle 90 degrees fit into?
Post by: savio on Jan 6, 2015
Thanks fellas