Question

Trigonometry help please?

Cosine Table --> https://media.glynlyon.com/a_matgeo_2011/5/groupi94.gif
Complete the following item. Consult the table above to find the cosine number.

Find Angle A to the nearest degree.
Angle --> https://media.glynlyon.com/a_matgeo_2011/5/72_367.gif

A Approximately = ? degrees.

Answer 1

you have adjacent and hypotenuse:
so \[\cos A = 0.91/1.2 \]
cos A =0.75833
Now, search on the column of your cosine table, it should be between 40degrees and 41 degrees

Answer 2

find the cose inverse A=cos^-1(0.75833)=40.68

Answer 3

sry my comp froze

Answer 4

it happens, so you got it?

Answer 5

yeah thanks :)