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which is valid ?Math.cos(56)or .......  RSS feed

 
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which is valid ?Math.cos(56)or Math.cos(Math.toRadians(56))orMath.cos(Math.toDegrees(56))
 
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Depends on what the units of 56 are. The API JavaDocs clearly state that the arguments for the trigonometric functions are angles in radians.
(Please bookmark the above link for your future reference -- you'll learn a lot more, a lot faster by trying to look things up yourself)
Junilu
 
It is sorta covered in the JavaRanch Style Guide.
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