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how to get the inverse of tan,cos, and sin

Guest Feb 21, 2017
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On the top left side of the calculator, there is a button labeled '2nd', press this and the normal buttons should be replaced. Note that having an 'a' before the function represents the inverse in this case. For instance, 

 

asin(x) = sin^-1(x)

 

and so forth for cos, tan and any other trig function. 

shiv_98  Feb 22, 2017

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