what do i do to get 13 degrees in this formula

TheMatrices

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Sep 8, 2013
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well i was doing a question on magnitude but most of the formula was pre written so i have to work out how to get the answer

what i would like to know is how
0 =(approx) cos–1(0.9733)
gives the answer
0 =(approx) 13.3 degrees
as i cant seem to get that answer
 
Last edited:
well i was doing a question on magnitude but most of the formula was pre written so i have to work out how to get the answer

what i would like to know is how
0 =(approx) cos–1(0.9733)
gives the answer
0 =(approx) 13.3 degrees
as i cant seem to get that answer

Need to use calculator - or some spreadsheet program like MS_Excel
 
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