1.

Number of solutions of equation cosx+cosy+cosz=-3

Answer»

ONE solution if `x,y,ZIN[0,pi]`
one solution if `x,y,Z in [0,2pi]`
TWO solution if `x,y,z in [0,2pi]`
No solution if `x,y,z in [0,pi]`

Answer :A::B::D


Discussion

No Comment Found