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Arcsin how to instructions

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Diamond sin^-1 [value] ) ENTER

For example, to calculate the arcsine of .5, press diamond sin^-1 . 5 ) ENTER

Posted on May 28, 2014


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1 Answer

Arctan not giving correct answer.

I think you answered your own question. You are in degree mode and in your questions, you are using pi, so you should be in radians?

Good luck,


Nov 17, 2015 | Office Equipment & Supplies

1 Answer

How do I convert arcsin radians to arcsin degrees?

180 degrees =PI radians
1 degree=PI/180 rad
1 rad =180/Pi

Jul 03, 2014 | Texas Instruments TI-36 X Solar Calculator

2 Answers

How do you input arcsin

Press 2nd then SIN then input the arcsine.

Jun 22, 2013 | Texas Instruments TI 30XIIS Scientific...

1 Answer

When i try to do a inverse function e.g sin^-1 90 i keep getting error 2 can anyone help me

It seems that you are trying to calculate the inverse sine (arcsine) of 90. However the domain of definition of the arcsine function is the closed interval [-1, 1]. Any value outside of this interval will result in an error.

Apr 20, 2013 | Office Equipment & Supplies

1 Answer

Arcsin is incorrect

Both answers are correct. Arcsine is a periodic function with period 2pi. If you add 2pi to -1.31 you'll get 4.97 .If you define the primary domain to be from -pi to +pi then the first answer is correct. If you define the primary domain to be from 0 to +2pi then the second answer is correct.

Apr 13, 2012 | Texas Instruments TI-Nspire Graphic...

1 Answer


For this problem you have to type in Y editor y1=arc sin x.
See captured images



Mar 06, 2012 | Texas Instruments TI-89 Calculator

1 Answer

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?

Feb 16, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer


Depends. If you have set [Shift][Mode][4:Rad] result is in radians
[arcsin][1/3] =0.3398 rad

[arcsin][1/3] =19.4712 degrees.

Hope it helps.

May 16, 2009 | Casio FX-115ES Scientific Calculator

2 Answers

"Err: Domain"

I think you may find arcsin(x) is equivalent in older nomenclature to sin^-1 (x) 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.

Mar 23, 2009 | Texas Instruments TI-89 Calculator

1 Answer

Arcsine doesn't work?

Arcsine is only defined for arguments in the range [-1...+1]. If you supply an argument outside that range, you will get a domain error.

Mar 08, 2009 | Texas Instruments TI-84 Plus Calculator

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