IMEXP Function

The Excel IMEXP function returns the exponential of a complex number. For example, given "0+πi" as input, the function returns "-1+3.23108914886517E-15i" as output. The output is essentially -1, but due to floating point precision, it contains a very small imaginary component. 

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IMLN Function

The Excel IMLN function returns the natural logarithm of a complex number. For example, given the complex number "3+4i" as input, the function returns the logarithm of the complex number.

=IMLN(COMPLEX(3,4)) // returns 1.6094379124341 + 0.927295218001612i...Read more

IMCOS Function

The Excel IMCOS function returns the cosine of a complex number. For instance, given “1 + 1i” as input, the function returns a complex number equal to the cosine of the input.

=IMCOS(COMPLEX(1,1)) // returns 0.833730025131149-0.988897705762865i...Read more

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