anonymous
  • anonymous
find x. (PICTURE INCLUDED) PLEASE HELP!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1370654213451:dw|
anonymous
  • anonymous
Use your angle formula. What do you know about cos, sin, tan?
anonymous
  • anonymous
i know how to find it if there is a degree. but i suck at finding cos, sin, or tan with a variable. get me?

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anonymous
  • anonymous
so is it true to say sin(x)=10/14 ?
anonymous
  • anonymous
yes. so all i would do is divide 10 by 14?
anonymous
  • anonymous
that is what sin(x) would be. Not x by its'self.
anonymous
  • anonymous
how do you get x by itself? the question says find x rounded to the nearest whole degree.
anonymous
  • anonymous
so we take the inverse of sin to find x. so since sin(x)=5/7 just simplified 10/14 then x=arcsin(5/7) which is the |dw:1370654463166:dw|
anonymous
  • anonymous
you should have a button for that on your calculator.
anonymous
  • anonymous
i don't have a normal calculator though. i just have my phone :/
anonymous
  • anonymous
haha. well x=45.6 degrees. So what is that to the nearest whole degree?
anonymous
  • anonymous
i did it for you ;)
anonymous
  • anonymous
46? :)
anonymous
  • anonymous
yus.
anonymous
  • anonymous
omg thank you sooooo much :D
anonymous
  • anonymous
your welcome :)
anonymous
  • anonymous
@chris00 i need your help again D:

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