# Texas Instruments TI-86 Calculator "inverse cosine" Questions

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## I'm trying to do inverse

...or cosine that is greater than 1 or smaller than -1. Also it should be noted that the inverse sine/cosine function is not the same as 1/sine or 1/cosine, although the symbol makes it look like

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## How do you use cosin-1

...inverse cosine, press 2ND [cos^-1], enter the number or expression, then press ENTER. For example, to take the inverse cosine of .25, press 2ND [cos^-1] . 2 5 ENTER. Make sure you have the proper ...

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## Inverse sine function

...inverse sine, cosine etc fine. However, today I tried inputting arcsin(20/1) which means inverse sin(20/1) but it says math: ERROR. HELP??? The sine and cosine function have a range between [-1, 1]. ...

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## How can i use inverse cosine Ti-30xa

how can i use inverse cosine Ti-30xa Enter the value then press 2nd COS. For example, to calculate the inverse cosine of 0.5, press . 5 2nd COS =

Question about Casio Office Equipment & Supplies

## On my casio fx-83GT PLUS calculator whenever i use the inverse cos,sine and tan function math ERROR comes up how do i fix this

...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 ...

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## Ive been doing inverse sine, inverse cosine, and

...inverse cosine, and inverse tangent problems for a few hours now but all of a sudden when i put in this one problem it gives me: ERR:DOMAIN. im not sure what is wrong... I've changed the batteries, ...

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## I tried to type in 2nd cos(3180.04) but it just

...inverse of the cosine function. If you remember the properties of the cosine functions, you know that cos(x) is defined over the real line ]- infinity to infinity[, but its range spans the interval ...

Question about Casio Office Equipment & Supplies

## Casio calculator fx115es inverse key not working consistently

...only for numbers in the range [-1, +1].The sine of a number is at most 1.0. There is no number whose sine is 1.5, which is what you're asking for.The same applies to the cosine and inverse

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## Inverse cos of 52 degrees

...inverse cosine of .6157 is 52 degrees. 52 degrees is a measure of an angle. .6157 is a distance. The cosine of an angle results in a distance, while the inverse cosine of a distance results in an ...

Question about Texas Instruments Office Equipment & Supplies

## My TI-30XB WONT CALCULATE INVERSE COS OR INVERSE

...1/cos(x) with arc cosine (cos^-1(x)). Wrong result, No error message Taking the argument of the inverse sine and/or inverse cosine functions outside the interval [-1,1]. This gives a domain

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