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Wrong of cos value !!!

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Hussein Mohasseb
Hussein Mohasseb 2015-12-29
回答： Image Analyst 2015-12-29
Hello ;; I put in MATLAB cosd(300000/6378136.460) it get me value = 0.999999663039021 But when i calculate it in Excel it get me = 0.998894026219898 I want know which value is correct ???!!!

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Image Analyst
Image Analyst 2015-12-29
What did you use in Excel? When I use this:
=COS((3.14159265358797/180) * 300000/6378136.46)
(because there is no cosd() function in Excel and I need to convert from your degrees to radians), it gives me the same answer as MATLAB.

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