abaronetkd
abaronetkd
10-03-2017
Mathematics
contestada
abs(sin(x) - sin(y)) ≤ abs(x-y)
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pbjgurl123
pbjgurl123
10-03-2017
|sin(x)−sin(y)|=|2sin(x−y2)cos(x+y2)|≤|2sin(x−y2)|
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