brianluong00
brianluong00 brianluong00
  • 23-11-2017
  • Mathematics
contestada

If two vectors are perpendicular, then their dot product must be zero.


Please select the best answer from the choices provided

T
F

Respuesta :

chi3fcomm5nd
chi3fcomm5nd chi3fcomm5nd
  • 23-11-2017
true since the dot product is defined as a.b=abcos(x)
since they are perpendicular x=90 cos(90)=0
hence a.b=0
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