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Se considera triunghiul dreptunchic ABC,m(∡A)=90.°
a)Daca AB=6 cmsiBC=10 cm,calculati AC,sinC,cosC,tgB,ctgB.
b)Daca AB=5cm si AC=5√3cm,calculati BC,sin, cosB,tgC,ctgC.
c) Daca BC=25 cm si sic C=3 pe 5,calculati AB,AC cosB,tg C