Respuesta :
BC=raiz(12^2+5^2=13 cm
sen B= 5/13=0.384
cosB=12/13=0.923
tang B=5/12=0.417
sec B=1/0.38=2,6
cosec B=1/0.92=1,08
cotag B=1/0.41=2,4
sen B= 5/13=0.384
cosB=12/13=0.923
tang B=5/12=0.417
sec B=1/0.38=2,6
cosec B=1/0.92=1,08
cotag B=1/0.41=2,4