Răspuns :
in triughiul dreptunghic ABC , AB si AC sunt catete iar BC ipotenuza!
daca sinC= rad3/2 inseamna ca m(< C)=60grade;
cos60=1/2 ; tg60=rad.3 ; ctg60=rad3/3=AC/18 deci AC=6rad.3;
rad3/2=18/BC deci BC=12rad3
daca sinC= rad3/2 inseamna ca m(< C)=60grade;
cos60=1/2 ; tg60=rad.3 ; ctg60=rad3/3=AC/18 deci AC=6rad.3;
rad3/2=18/BC deci BC=12rad3