text/scalc/01/func_imsec.xhp

IMSEC function secant;complex number IMSEC function Returns the secant of a complex number. The the secant of a complex number can be expressed by:

sec(a+bi)=1/cos(a+bi) IMSEC(Complex_number) whose secant needs to be calculated.

=("4-3i")
returns -0.0652940278579471+0.0752249603027732i. =(2)
returns -2.40299796172238 as a string.

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