The value of tan^-1 5

**Kiwigirl** · June 13th 2006, 01:26 PM

Can someone help me in equation form with the following question?

Give the value of tan^-1 5

**ThePerfectHacker** · June 13th 2006, 01:45 PM

Originally Posted by Kiwigirl

Can someone help me in equation form with the following question?

Give the value of tan^-1 5

Have a calculator?
$\approx 78.7^o$
--
Also, you already asked this question! Stop Spamming

**Kiwigirl** · June 13th 2006, 05:44 PM

Why then did someone else I know personally think the answer was -0.2958 ?

**ThePerfectHacker** · June 13th 2006, 05:48 PM

Originally Posted by Kiwigirl

Why then did someone else I know personally think the answer was -0.2958 ?

Because they tought,
$\tan^{-1}=\frac{1}{\tan x}$
And they calculated it via radian mode.
Thus, that would do it.

(But I am right because this problem concers inverse tangent function)

**Kiwigirl** · June 13th 2006, 05:57 PM

Oh ok, thank you

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