anonymous
  • anonymous
Medal award! What are the positive and negative measures of the closest coterminal angles to 1.1 radians?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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zepdrix
  • zepdrix
Hmm I don't understand the question :d Do they want the degree measure? Or they want the closest "special angle" maybe?
anonymous
  • anonymous
I think they want radians
zepdrix
  • zepdrix
Hmm ok :) Then for co-terminal we want to spin a full rotation around the circle and land in the same spot. So one co-terminal angle would be: \(\large\rm 1.1+2\pi\)

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zepdrix
  • zepdrix
How bout if we want to spin backwards? Any ideas? :)
anonymous
  • anonymous
the thing is I believe they want us to convert the 1.1 into a fraction
anonymous
  • anonymous
and of course you will go clockwise for the negative :)
zepdrix
  • zepdrix
Hmm there is no reason for us to write as a fraction if we're staying in radians. Unless you want to relate it to one of your special angles. 1.1 radians is approximately 31.5 degrees which is approximately pi/6. But I don't think that's what they're asking for. Hmmm....
anonymous
  • anonymous
I put in 11pi/10-10pi/5 which is -9pi/10 for the negative angle. and for the positive 11pi/10+10pi/5 which is 31pi/10 but that is incorrect.
zepdrix
  • zepdrix
Well keep in mind that:\[\large\rm 1.1=\frac{11}{10}\]\[\large\rm 1.1\ne\frac{11\pi}{10}\]
zepdrix
  • zepdrix
You can get a common denominator if you like,\[\large\rm \frac{11}{10}+\frac{20\pi}{10}=\frac{11+20\pi}{10}\]But it looks a lot nicer if you just leave it as \(\large\rm 1.1+2\pi\)
zepdrix
  • zepdrix
Just don't combine the numerators:\[\large\rm 11+20\pi\ne31\pi\]:)
anonymous
  • anonymous
so for the positive angle it would just be 1.1+2pi?
zepdrix
  • zepdrix
ya i think that's all they want us to input. Do you get multiple guesses? XD
anonymous
  • anonymous
I get 3 attempts and then I get a new problem
anonymous
  • anonymous
and for the negative it was be 1.1-2pi?
zepdrix
  • zepdrix
yes
anonymous
  • anonymous
that's correct :) thanks so much
zepdrix
  • zepdrix
yay team \c:/
anonymous
  • anonymous
:D

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