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Re: Calculating TAN^-1

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Jerry W. Lewis

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Aug 25, 2004, 6:57:54 AM8/25/04

ATAN

Jerry

Jeff wrote:

> In excel, how would one calculate the inverse of TAN (ie. TAN^-1)?
>
> Thank you.

Jerry W. Lewis

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Aug 25, 2004, 11:11:33 PM8/25/04

I never noticed that it existed; thanks.

Jerry

hgrove < wrote:

> Jerry W. Lewis wrote...
>
>>ATAN
>>
> ..
>
> ATAN2 is more flexible. For finite tangents,
>
> =ATAN2(TanVal,1)
>
> For infinite tangents (from angles of odd integer multiples of PI/2),
>
> =ATAN2(0,1) or =ATAN2(0,-1)

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