1.

If, x,y inR , then the determinant: Delta=|(cosx,-sinx,1),(sinx,cosx,1),(cos(x+y),-sin(x+y),0)|lies in the interval .

Answer»

`[-SQRT2,sqrt2]`
`[-1,1]`
`[-sqrt2,sqrt2]`
`[-1,-sqrt2]`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions