Showing posts with the label Sum and Difference Formulae

Sum and Difference Formulae - Derivation

$ \displaystyle ΔABC, ΔACD$ နဲ႔ $ \displaystyle ΔCDF$ တို႔ဟာ ေထာင့္မွန္ႀတိဂံမ်ား ျဖစ္ၾကပါတယ္။ $ …

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