Question about Casio FX83ES Scientific Calculator
My calculator was fine it always used to be able to work out the inverse functions until just now when i tried using it working out inverse cos-1(6) and it came up with math ERROR not sure what has happened, tried clearing the whole memory and still it doesnt work
The inverse cosine function is defined for arguments from -1 to +1. 6 is outside of this domain, thus the error. Do you get an error if you try the inverse cosine of 0.6, for example?
If you're getting the same error for the inverse tangent, could you post an example?
Posted on May 12, 2014
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Posted on Jan 02, 2017
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