[SOLVED] Excel should have a tan^-1 Cos^-1 and sin^-1

[Mark D T Jones]

I can take tan (A) =b of a angle, to produce a fraction, but can't work back
to an angle using tan^-1 (b)=A

----------------
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http://www.microsoft.com/office/comm...heet.functions

[Gary''s Student]

Checkout the ATAN() function in Excel help. It may be of use to you.
--
Gary''s Student


"Mark D T Jones" wrote:

> I can take tan (A) =b of a angle, to produce a fraction, but can't work back
> to an angle using tan^-1 (b)=A
>
> ----------------
> This post is a suggestion for Microsoft, and Microsoft responds to the
> suggestions with the most votes. To vote for this suggestion, click the "I
> Agree" button in the message pane. If you do not see the button, follow this
> link to open the suggestion in the Microsoft Web-based Newsreader and then
> click "I Agree" in the message pane.
>
> http://www.microsoft.com/office/comm...heet.functions

[Ron Rosenfeld]

On Sat, 10 Sep 2005 02:42:02 -0700, "Mark D T Jones" <Mark D T
[email protected]> wrote:

>I can take tan (A) =b of a angle, to produce a fraction, but can't work back
>to an angle using tan^-1 (b)=A
>


Look up the definition of arctangent, then look at HELP for the ATAN worksheet
function. There is also ACOS and ASIN available to you.

ATAN

Returns the arctangent, or inverse tangent, of a number. The arctangent is the
angle whose tangent is number. The returned angle is given in radians in the
range -pi/2 to pi/2.


--ron

[Bernard Liengme]

You should know that SIN^-1(theta) is read as "arcsine of theta"
So Excel has functions such as ASIN, ACOS, etc.
Look before you leap.

--
Bernard V Liengme
www.stfx.ca/people/bliengme
remove caps from email

"Mark D T Jones" <Mark D T [email protected]> wrote in message
news:[email protected]...
>I can take tan (A) =b of a angle, to produce a fraction, but can't work
>back
> to an angle using tan^-1 (b)=A
>
> ----------------
> This post is a suggestion for Microsoft, and Microsoft responds to the
> suggestions with the most votes. To vote for this suggestion, click the "I
> Agree" button in the message pane. If you do not see the button, follow
> this
> link to open the suggestion in the Microsoft Web-based Newsreader and then
> click "I Agree" in the message pane.
>
> http://www.microsoft.com/office/comm...heet.functions