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how do i get tan(-1)

 May 8, 2015

Best Answer 

 #1
avatar+111 
+8

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}{\left(-{\mathtt{1}}^\circ\right)} = -{\mathtt{0.017\: \!455\: \!064\: \!928}}$$

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 May 8, 2015
 #1
avatar+111 
+8
Best Answer

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}{\left(-{\mathtt{1}}^\circ\right)} = -{\mathtt{0.017\: \!455\: \!064\: \!928}}$$

Mihail May 8, 2015
 #2
avatar+33661 
+5

If you mean $$\tan^{-1}$$ then select the 2nd button on the calculator first and use atan (which is the same thing).

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 May 8, 2015

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