411 REFERENCE · Wikibooks
Arithmetic Course/Non Linear Function/Circular Function
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Circular Function
Real Number
When x = 0
When y = 0
Further, when
a = b . The function above is a Circular Function
a > b . The function above is a Elliptical Function
a < b . The function above is a Elliptical Function
Complex Number
When x = 0
When y = 0
The function above is a Circular Function in a Complex number