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Sa se calculeze sin 30grade + cos60grade + tg45grade = ?
Va rog ! E urgent !


Răspuns :

Sin30° = 1/2
Cos60° = Sin30° = 1/2
Tg 45° = 1
1/2 + 1/2 + 1 = 2

      sin 30grade + cos60grade + tg45grade =  1/2 + 1/2 + 1 = 2