SIN Α = 2 4210

3 , - BAI TAP TRAC NGHIEM HE THUC LUONG TRONG TAM GIAC VUONG HH9 CHUONG 1 FULL DAP AN
BAI TAP TRAC NGHIEM HE THUC LUONG TRONG TAM GIAC VUONG HH9 CHUONG 1 FULL DAP AN

3 , sin α =

2

4

2

10