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3 votes
What are 2 co-terminal angles for 5pi/4

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User Zorak
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7.7k points

1 Answer

3 votes
a whole circle is 2π. an angle + or - the multiples of 2π, that is, rotated a full circle counterclockwise or clockwise, will get a co-terminal angle
in this case, it can be (8/4)π+(5/4)π=(13/4)π, (16/4)π+(5/4)π=(21/4)π. or
(5/4)π-(8/4)π=(-3/4)π
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