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Mathematics 13 Online
OpenStudy (anonymous):

Trigonometry help please? Im not sure what Im doing wrong... Find x to the nearest tenth. Consult the table above to find the cosine number. Angle --> https://media.glynlyon.com/a_matgeo_2011/5/71_365.gif x Approximately = ?

OpenStudy (anonymous):

\[\cos 38^{0} = 24/x \] x=\[24/\cos 38^{0}\] don't use the whole length, just use for the triangle containing 38degrees

OpenStudy (anonymous):

0.6315

OpenStudy (anonymous):

what does 0.6315 represent?

OpenStudy (anonymous):

24 divided by 38

OpenStudy (anonymous):

should i put the cosine number in place of the 38....

OpenStudy (anonymous):

yes you should put the cosine number of 38, which is?

OpenStudy (anonymous):

24 divide by .7880

OpenStudy (anonymous):

right, and you get

OpenStudy (anonymous):

30.45 which would round to 30.5

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