1.

Measure of the angle between the vector vec(a)=hati-hatj+hatk and vec(b)=hati+hatj+hatk is …………..

Answer»

` SIN^(-1)"" ( 2 sqrt2)/( 3)`
`PI - COS^(-1)"" (1)/(3)`
`cos^(-1)""(1)/( SQRT3)`
`sin^(-1)"" (1)/(3)`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions