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Feedback on: Math functions in JavaScript

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Feedback on:
Math functions in JavaScript

Sent by
Fenevad on Thursday April 17, 2008 at 07:03:04

Worth:
Worth reading

Length:
Just right

Technical:
Just right

Comments:
This is primarily feedback on Soner's comments. Actually, the trig functions *are* returning the correct values. They simply are not expecting degrees as input, but radians (2?? radians = 360??). One rad thus equals approx. 57.2958 degrees (hence your division ratio). For most serious mathematics functions, you expect to use radians, not degrees. So it???s not an error, but you were missing the important knowledge of what was expected as input.




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