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* Update helpcontent2 from branch 'master'
  to d055e8d2ab5182def772050c8abdc54725a7814a
  - Help Pages for Calc’s “IM” Functions, Improved Equations
    
    I have recently spent some time updating the pages
    of the Calc Functions Wiki that relate to the
    processing of complex numbers.
    
    There are 25 functions in Calc’s Add-In category
    that have names beginning with the letters “IM”
    and these are all concerned with processing
    complex numbers of the form “a+bi”.
    
    Of these 25, there are 6 trigonometric functions
    (IMCOS, IMCOT, IMCSC, IMSEC, IMSIN, and IMTAN)
    and 4 hyperbolic functions (IMCOSH, IMCSCH,
    IMSECH, and IMSINH). For these 10, the current
    help pages include equations to assist the
    user’s understanding of the function’s purpose.
    
    I feel that some of these equations should be
    replaced with more appropriate equations that
    reflect how the software functions (see
    /core/scaddins/source/analysis/analysishelper.cxx)
    and these proposed changes are listed below.
    
    Change-Id: Ie0e4957e374570d60be00bcbe9b9015acab5e3a1
    Reviewed-on: https://gerrit.libreoffice.org/c/help/+/113935
    Tested-by: Jenkins
    Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>
    

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