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# Inversion of tan

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186
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How do I get the inversion of tangent on the calculator???

Guest May 18, 2017

#3
+6962
+2

First press the 2nd button in the top left, then press "atan"

Also, you can type in " atan(  ) ," " arctan(  ) ," or " tan^-1(  ) " into the bar.

hectictar  May 18, 2017
Sort:

#2
+1

$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}\Delta$$

Guest May 18, 2017
#3
+6962
+2

First press the 2nd button in the top left, then press "atan"

Also, you can type in " atan(  ) ," " arctan(  ) ," or " tan^-1(  ) " into the bar.

hectictar  May 18, 2017

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