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OpenStudy (anonymous):
how do i enter cot-1(-19/5) in my ti 83 calculator? Please help. I may be confused but I thought cot was cos/sin but this doesn't work out right? any suggestions are welcome
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OpenStudy (anonymous):
I entered 1/tan(x) (-19/5) into my ti83 plus and got -1.2927 or -1.29 and this was wrong. What did I do wrong?
OpenStudy (anonymous):
what did I do wrong here?
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