anonymous
  • anonymous
Suppose you start at the point(1,0) on a unit circle and move a distance t=3.5 along the circle. What is the reference number for t?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Jhannybean
  • Jhannybean
|dw:1443954591287:dw| So we're starting off at \(P (1,0)\) and we're looking for \(\mathbf {\overline t}\)
Jhannybean
  • Jhannybean
To do that, we're simply going to subtract the distance, \(\mathbf t = 3.5\) by \(2\pi\) to find \(\mathbf{\overline t}\)
Jhannybean
  • Jhannybean
\[\overline t = 2\pi - 3.5 =~?\] This is what you call the reference number.

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More answers

anonymous
  • anonymous
would you simply multiply 2(3.14)-3.5?
anonymous
  • anonymous
I got 2.7
Jhannybean
  • Jhannybean
Yeah but I wouldn't limit it to 3.14 unless specifically asked for, it gives an inaccurate reading and the reference number is simply an approximation.
Jhannybean
  • Jhannybean
so \(\overline t \approx 2.78\)
anonymous
  • anonymous
thank you so much! You literally saved me. I have a quick question about trigonometry and right angles. I know all the angles but don't know any of the sides
Jhannybean
  • Jhannybean
Youre not really giving me any answer choices to work with so I can check whether my solution matches up to any of the choices.
anonymous
  • anonymous
oh there are no answer choices. I'm taking an online program called wamap. I just have to input my answer and see if it's right or not
Jhannybean
  • Jhannybean
This is not a quiz is it?
anonymous
  • anonymous
no it's not it's homework in preparation for the quiz.
Jhannybean
  • Jhannybean
Okay.
Jhannybean
  • Jhannybean
Here is a website that will help you understand more about reference numbers, just scroll down. http://cims.nyu.edu/~kiryl/Precalculus/Section_5.1-The%20Unit%20Circle/The%20Unit%20Circle.pdf
anonymous
  • anonymous
I actually own that book :) and it doesn't really mention anything about finding unknown sides

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