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how can i put tan-1 in the calculator?

 May 8, 2014

Best Answer 

 #1
avatar+109812 
+5

Yes you can!

inverse tan is the same a arc tan

$$tan^{-1}(ratio)=atan(ratio)$$

now that you know this you should be able to use the calc like any hand held one.

You can use the 2nd button to bring up the inverse function or you can just hold the tan key down a little longer than usual and it will convert to the inverse function.   

 May 8, 2014
 #1
avatar+109812 
+5
Best Answer

Yes you can!

inverse tan is the same a arc tan

$$tan^{-1}(ratio)=atan(ratio)$$

now that you know this you should be able to use the calc like any hand held one.

You can use the 2nd button to bring up the inverse function or you can just hold the tan key down a little longer than usual and it will convert to the inverse function.   

Melody May 8, 2014

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