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  1. SteffDK

    What does "atan2(value1, value2)" mean???

    I'm trying to apply a function, in MS Excel, posted on the internet from mathcad. Somewhere it says that "value=atan2(value1, value2)" I don't get it... It can't mean atan(atan(value1, value)) What's with the "(value1, value2)"??? How do I calculate that??? Any help is highly appreciated :o)

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