Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator
The sin/cos/tan normally without second key is fine but when the second key (the one above the alpha) key is pressed onto sin/cos/tan should pop up the same but with the negative one power but that does not happen - it says arc - sin/cos/tan. What should I do?
For function = (sin,cos,tan,sec,cosec,cotan)
arc(function) = function^-1, calculated in the first quadrant for simplicity(0-pi/2) (0-90deg), as all functions repeat circularly
just another method of notation
Posted on Jun 21, 2008
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Posted on Jan 02, 2017
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