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OpenStudy (anonymous):
fe=13 m angle f=34 find df to nearest tenth
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OpenStudy (anonymous):
|dw:1378904046234:dw| @DebbieG @Yttrium
OpenStudy (yttrium):
Use pythagorean identity. Specifically cosine. Note that cosx = adj/hyp You are solving for DF right? which is the hypotenuse. Then you have the given side 13, which is the adjacent side of the given angle 34. So now, do you know what to do?
OpenStudy (anonymous):
cos34 *13 ??
OpenStudy (yttrium):
No, manipulate it again. :)
OpenStudy (anonymous):
cos34/13??
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OpenStudy (anonymous):
@Yttrium ????
OpenStudy (yttrium):
No. It's 13/cos34
OpenStudy (anonymous):
@Angelina<3
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