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Mathematics 18 Online
OpenStudy (anonymous):

Complete the following item. Consult the table above to find the cosine number. Find A to the nearest degree

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

you're missing the table, but you would find cos(A) = adj/hyp A = arccos(adj/hyp) A = arccos(75.5/100) A = arccos(0.755) So use the table to find the arccosine of 0.755

OpenStudy (anonymous):

i got 39, but heres the table

jimthompson5910 (jim_thompson5910):

closest value of cos is 0.7547, do you see this entry?

OpenStudy (anonymous):

no

jimthompson5910 (jim_thompson5910):

how did you get 39?

OpenStudy (anonymous):

wait's not 39, i looked at the chart and saw 0.11i and assumed it was 39

jimthompson5910 (jim_thompson5910):

i want you to look through this chart and find me the value in the highlighted column that is closest to 0.755

OpenStudy (anonymous):

41

jimthompson5910 (jim_thompson5910):

so cos(41) is roughly 0.755 since that's the closest we get (using the table)

OpenStudy (anonymous):

thats the answer

jimthompson5910 (jim_thompson5910):

yes, the angle is roughly 41 degrees

OpenStudy (anonymous):

could u help with more questions

jimthompson5910 (jim_thompson5910):

post them one at a time to the left and let me know you've done so if I don't get to them

OpenStudy (anonymous):

ok, but at least try to look out for my name Rickol, because im about to post a new one but i will send you a messsage in case if you don't remediately respond

jimthompson5910 (jim_thompson5910):

alright sounds good

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