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Mathematics 20 Online
OpenStudy (anonymous):

What is the length of the bar AC? A. 6 sin 60° B. 6 cos 60° C. 6 divided by cos 60 degrees D. 6 divided by tan 60 degrees

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

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jimthompson5910 (jim_thompson5910):

which trig function ties together the sides 6 and x (60° is the reference angle) ?

OpenStudy (anonymous):

Cos?

jimthompson5910 (jim_thompson5910):

yep cosine

jimthompson5910 (jim_thompson5910):

so we can say cos(angle) = adj/hyp cos(60) = x/60 what do you get if you solve for x?

jimthompson5910 (jim_thompson5910):

|dw:1449638390943:dw|

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