Question about Texas Instruments TI-34II Explorer Plus Calculator

# How do you do arcsin on the TI-34II? - Texas Instruments TI-34II Explorer Plus Calculator

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• Texas Instru... Master

1. Pressing [2nd] and [TRIG] displays a menu of all available trigonometric functions.
2. The arcsine is represented as menu item [SIN^-1].
3. Select the function from the menu, enter the value and press [=].
4. A word of caution:
• Before you calculate any inverse trigonometric function value, make sure the angle unit is correct. (Degree or radian).

Posted on Feb 02, 2010

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### I put in the arcsin (sin^-1)(128) and it gave me domain error. How would i re-write this expression to get the answer i need?

The arcsine function only takes arguments in the range of negative one to positive one. 128 is not in the domain of the arcsine function.

Could you post the problem you're trying to calculate?

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### "Err: Domain"

I think you may find arcsin(x) is equivalent in older nomenclature to sin^-1 (x)...ie use the "2nd" and the SIN key instead of typing arcsin.
eg. arcsin(0.5) is 30 degrees is the same as sin^-1(0.5)
The ^-1 does not mean reciprocal, but "the angle whose sin is." Here the minus one indicates a kind of inverse operation. The word arcsin indicates that same inverse.

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### TI-34II Calculator

Hello,
No it is not a graphing calculator. You can find some relatively cheap ones.
Hope it helps.

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