Question
if sinA+SinB+sinC=3
find the value of cosA+cosb+cosC???
Read 2 Solution.
sin A =1, sinB=1, sinC=1
cosA =0 ,cosB =0 ,cosC=0
cosA+cosB+cosC=0
Best SolutionNIKHIL VARSHNEY 13 year ago
is this solution helpfull: 1 0
sinA+sinB+sinC =3 when A=B=C=pi/2 hence cosA+cosB+cosC=0
HARSHITH 12 year ago
is this solution helpfull: 0 0