Public Function ACos( _ ByVal vX As Variant _ ) As Variant
ACos(-0.5) = 2.0943951023932 ACos(0) = 1.5707963267949 ACos(0.5) = 1.0471975511966 ACos(1) = -3.5527136788005E-15 ACos(1.5) = "-3.5527136788005E-15|0.962423650119205" ACos("2.3|-4.5") = "1.10609748442001|2.31904592228528"See also:
Cosine Function ASin Function ATan Function ACsc Function ACosH Function Arccos FunctionvX: Function returns the principal value of the angle whose cosine (expressed in radians) is vX. Function returns Null if vX is Null or cannot be fixed up to a real or complex number (as defined by the ComplexStringToReals function). Complex numbers are represented within strings as "R|I" where R is the real part and I is the imaginary part.
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