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Sin 48,59 = 0,75, maka cos 138,59 =

Sin 48,59 = 0,75, maka cos 138,59 =
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sin 48,59 = 0,75, maka cos 138,59 =



User JonYork
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cos (138.49)=cos(90-(-48.59))=-sin(48.59)=-0.75
User Utkusonmez
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