Derivation of Sum Formulas for SIne and Cosine

This is the first proof of the sum formulas for the sine and cosine functions which was provided by Abu al-Wafa (Persia, 940 – 988). This was one of the contributions made to mathematics during the Islamic golden age which occurred between the golden age in Greece and European renaissance.

 

Joseph Manthey —

 
Type de ressources
Activité
Balises
and  cosine  difference  sine  sum 
Tranche d'âges
16 – 19+
Langue
English
 
 
 
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