sammietaygreen
  • sammietaygreen
State the domain and range of the relation y = arccos x.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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FortyTheRapper
  • FortyTheRapper
Let's first graph the function. Have you done that?
sammietaygreen
  • sammietaygreen
Yes. I'm thinking the range is all real numbers but am unsure.
sammietaygreen
  • sammietaygreen
but I may be thinking of x = arcsin x not arccos

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More answers

sammietaygreen
  • sammietaygreen
@mathmate
FortyTheRapper
  • FortyTheRapper
The just like the graph of sin and cos, arccos has a certain range (y-values). What y-values does the graph stop at?
sammietaygreen
  • sammietaygreen
0 and pi?
anonymous
  • anonymous
the domain is the same as the range of sine the range you do not find, it is agreed upon. by convention the range of arcsine is \[[-\frac{\pi}{2},\frac{\pi}{2}]\]
sammietaygreen
  • sammietaygreen
So it's basically just the range of sine?
anonymous
  • anonymous
the domain of arcsine is the range of sine, yes. do you know what that is?
sammietaygreen
  • sammietaygreen
wouldn't it be -1 ≤ x ≤ 1
anonymous
  • anonymous
yes also i made a mistake, the question says arccosine not arcsine
anonymous
  • anonymous
by convention, the range of arccosine is \[[0,\pi]\]
sammietaygreen
  • sammietaygreen
That's what I thought. Can I send you my answer choices?
sammietaygreen
  • sammietaygreen
anonymous
  • anonymous
unfortunately none of those are correct
anonymous
  • anonymous
the domain of arccosine is \(-1\leq x\leq 1\) and the range is \(0\leq y\leq \pi\)
sammietaygreen
  • sammietaygreen
I don't get it then because those are the only ones. So I'm not sure.

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