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Mathematics 8 Online
OpenStudy (anonymous):

Trigonometry Help? Please help me figure out what's wrong? Cosine Table ---> https://media.glynlyon.com/a_matgeo_2011/5/groupi94.gif 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_362.gif x Approximately = ?

OpenStudy (anonymous):

This is my work: 33* = 1.2/x 0.8387 = 1.2/x 0.8387x = 1.2 0.8387 divided by 1.2 = 0.6989 rounded to the nearest tenth = 0.7

OpenStudy (amistre64):

x = 1.2 divided by .8387

OpenStudy (amistre64):

you made one of those simple mistakes that the rest of us do all the time :)

OpenStudy (ash2326):

Oh yeah, sorry I missed that

OpenStudy (anonymous):

what mistake? O.O

OpenStudy (amistre64):

the one i just pointed out to you ....

OpenStudy (anonymous):

oh okay sorry i got confused for a sec

OpenStudy (anonymous):

1.4307 is what i got so i round and get 1.43?

OpenStudy (amistre64):

0.8387 divided by 1.2 ; this step is in error, you mixed the positions of the values

OpenStudy (amistre64):

yes

OpenStudy (amistre64):

nearest tenth tho right?

OpenStudy (amistre64):

should only have one decie

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

thank you for the help :)

OpenStudy (amistre64):

youre welcome, and good luck :)

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