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Mathematics 14 Online
OpenStudy (anonymous):

Find the value of cos θ for the angle shown.

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

|dw:1441246898998:dw|

OpenStudy (anonymous):

4/\[\sqrt{33}\]

jimthompson5910 (jim_thompson5910):

no, use the pythagorean theorem to find x

OpenStudy (anonymous):

16+33

OpenStudy (anonymous):

49=7

OpenStudy (anonymous):

would it 4/7 or 7/4

jimthompson5910 (jim_thompson5910):

you should find x = 7

jimthompson5910 (jim_thompson5910):

|dw:1441247160876:dw|

jimthompson5910 (jim_thompson5910):

cos(theta) would be equal to adj/hyp |dw:1441247178706:dw|

OpenStudy (anonymous):

4/7

OpenStudy (anonymous):

thank you

jimthompson5910 (jim_thompson5910):

yep

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