RĂ©ponse:
Ex 29:
a) faux
b) vraie
c) vraie
d) faux
e) faux
Ex 37:
tan(RST)= RT/ST
tan(RST)= VT/ST
cos(RST)= ST/RS
cos(RST)= ST/SV
sin(RST)= RT/RS
sin(RST)= VT/VS
