Concept of complex numbers might help
read question carefully!!!
Design test case carefully....
To avoid non-desired usages, like pi, it is necessary to not place pi in the function name. The function can be searched for forbidden function usages. There is an aspect of cat and mouse in Cody Challenges.
I agree. Disallow usage of PI for fairer scoring of your problem. Neat question!
pressure to dB?
Rotate input square matrix 90 degrees CCW without rot90
Basic arrays operations.
Perfect Square or not
RMS value from a set of observations
Find out missing number from a vector of 9 elements
Identify the heavier bag
Accessing elements on the diagonal
Reverse the elements of an array
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