anonymous
  • anonymous
cos(16 degrees)=
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Well, you can just input this into a calculator? Or do you need so solve it without?
welshfella
  • welshfella
you can get the value of cos 16 using your calculator..
anonymous
  • anonymous
well it has to come out as a squareroot

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anonymous
  • anonymous
and i dont have a calculator
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=cos%2816degrees%29
welshfella
  • welshfella
an online calculator will do
anonymous
  • anonymous
Yeap, wolframalpha is a great tool online.
welshfella
  • welshfella
it is
anonymous
  • anonymous
it isnt showing any of the answers i need
anonymous
  • anonymous
anyone have a kik so that we could just do it over that possibly
anonymous
  • anonymous
Do you have any choices?
anonymous
  • anonymous
yes but i cant type them into the software
anonymous
  • anonymous
Well, \[cos(16degree)=0.9612617=\sqrt{0.9240241}\] Dont know if you can use that
anonymous
  • anonymous
no they all have a cos under the square root sign
anonymous
  • anonymous
Well, the only thing I can come up with is using Pythagoras theorem: \[a^2+b^2=c^2\] \[a=\sqrt{c^2-b^2}\] We know c=1 and b=sin(16degree) \[a=\sqrt{1^2-sin(16degree)^2}\]Maybe you can rewrite this into something, but I am not sure.
anonymous
  • anonymous
thanks i have more so

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