anonymous
  • anonymous
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin r = 3 - 4 sin θ
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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mathmale
  • mathmale
Tricky question. You might learn a lot from actually graphing r=3-4sin theta. Write r as \[r(\theta)=3-4\sin \theta\]
mathmale
  • mathmale
How does the fact that that '3' in this formula is always the same, whereas -4sin theta could be positive or negative, depending upon the value of the angle theta. If \[r(-\theta)=r(\theta), \]
mathmale
  • mathmale
the function is EVEN. Hint: is sin x an even function or an odd one?

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anonymous
  • anonymous
its not coming up when i graph it
anonymous
  • anonymous
@mathmale
mathmale
  • mathmale
If \[r(-\theta)=-r(\theta), \]
mathmale
  • mathmale
this function is ODD.
mathmale
  • mathmale
If neither equation is true, then the function neither even nor odd.
anonymous
  • anonymous
Why won't it come up on my calculator graph @mathmale
mathmale
  • mathmale
that's a separate question, Robert. Do you want to discuss the question you've posted or do you want to discuss use of your calculator?
anonymous
  • anonymous
@mathmale well would it be easier to just graph it then see where it is symmetric
mathmale
  • mathmale
sure, but that won't help you if your teacher expects y ou to determine symmetry (or the lack of it) without a calculator.
mathmale
  • mathmale
What kind of calc do you own?
anonymous
  • anonymous
TI 84 plus @mathmale

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