Hi Carlos. Did you figure out how to make the inverse functions work?

On 3/29/12, Carlos <[email protected]> wrote:
> Hi,
> I am trying to find the Inverse Tangent, Cosine and Sine symbol
> in the Scientific Calculator of my Braillenote Apex, which has
> the serial number 650320002485.  However, I can't seem to find
> it.  My aide called about an hour ago and was told that in order
> to do these symbols, you hold down the negative sign and do the
> tangent, cosine or sine symbol.  When I tried that, it didn't
> work.  It only gave me negative tangent, cosine and sine.  I know
> that tangent, cosine and sine are found by pressing t and t, t
> and c, and t and s in KeyPlus.  Can you please give me a
> step-by-step procedure, if there's any, on how to do the inverse
> of these symbols? Thank you.
> Please reply as soon as possible.
> Sincerely,
> Carlos
>
> Sent from my Braillenote Apex
>
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>


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sent from my BrailleNote

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