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OpenStudy (anonymous):

how to cos function on excel? when i use it ans(cos45=0.5253, but calculator ans=0.7071

OpenStudy (anonymous):

make sure you understand the that 45 is degree or radians... when you did cos(45) on your calculator, that 45 meant 45 degrees but on excel, cos(45)=0.5253 because that 45 meant 45 radians

OpenStudy (anonymous):

how to find sing degree or make shortcut on keyboard of degree?|dw:1356236812229:dw|

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