highschoolmom2010
  • highschoolmom2010
Use the Law of Sines to find the values of x and y. Round to the nearest tenth.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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highschoolmom2010
  • highschoolmom2010
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nincompoop
  • nincompoop
what does the law of sines indicate?
highschoolmom2010
  • highschoolmom2010
law of sine relates the sine of the angle to the opposite

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nincompoop
  • nincompoop
\[\frac{ a }{ sinA }=\frac{ b }{ sinB }=\frac{ c }{ sinC }\] |dw:1377970093716:dw|
anonymous
  • anonymous
It is just a ratio. Set one up using the law of sines :)
highschoolmom2010
  • highschoolmom2010
|dw:1377970190365:dw|
highschoolmom2010
  • highschoolmom2010
so \[\frac{ \sin 41 }{ y}=\frac{ \sin 62 }{ x }\] like that
anonymous
  • anonymous
Not really
anonymous
  • anonymous
|dw:1377970383972:dw|
anonymous
  • anonymous
Solve for that angle then use it :)
highschoolmom2010
  • highschoolmom2010
XD i do that everytime
highschoolmom2010
  • highschoolmom2010
^^how is it 125???
nincompoop
  • nincompoop
it isn't
highschoolmom2010
  • highschoolmom2010
no it is 77
highschoolmom2010
  • highschoolmom2010
|dw:1377970590585:dw|
nincompoop
  • nincompoop
125 + 62 alone makes up over 180 degrees
anonymous
  • anonymous
LOL sorry i was looking at the 14 and 41
anonymous
  • anonymous
|dw:1377970696576:dw|
highschoolmom2010
  • highschoolmom2010
tis ok
anonymous
  • anonymous
|dw:1377970767098:dw| Then do it for sin 41
nincompoop
  • nincompoop
is everything clear now or do you want further help?
highschoolmom2010
  • highschoolmom2010
eh need help still
highschoolmom2010
  • highschoolmom2010
\[14 \sin 62/\sin72=x\] i got 12.9974045582289724 book says it is 12.7
anonymous
  • anonymous
Did you cross multiply?
highschoolmom2010
  • highschoolmom2010
erm what
highschoolmom2010
  • highschoolmom2010
oh yea i did sorry
anonymous
  • anonymous
|dw:1377977703338:dw| I think that is how it is done :)
highschoolmom2010
  • highschoolmom2010
im confused ^^
anonymous
  • anonymous
That is cross multiplication silly sin(62)*14=sin(77)*x
anonymous
  • anonymous
Look at it like this |dw:1377978428131:dw|
highschoolmom2010
  • highschoolmom2010
i know how to cross mutiply...
anonymous
  • anonymous
sin(62)*14=sin(77)*x ^ ^ 0.8829*14= 0.9743 * x eazy now?
highschoolmom2010
  • highschoolmom2010
it says round to nearest tenth|dw:1377978723473:dw|
anonymous
  • anonymous
Oh it is so round :D

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