jaylynfrancis2648 jaylynfrancis2648
  • 02-12-2017
  • Mathematics
contestada

Find the angle in radians between the vectors v⃗ =(4,4) and w⃗ =(1,2)

Respuesta :

chudung1976
chudung1976 chudung1976
  • 02-12-2017
we have the formula with the dot product of two vectors
We call that angle is a, so cosa= (4x1+4x2):(√16+16. √1+4)= 12:4√10= 3/√10

The result is cosa=3/√10
Answer Link

Otras preguntas

what are 1/4,9/20,3/15,and 8/25 equal to
Which Group 15 element exists as diatomic molecules at STP? (1) phosphorus (3) bismuth (2) nitrogen (4) arsenic
Atoms of which element can bond to each other to form chains, rings, and networks? (1) carbon (3) hydrogen (2) fluorine (4) oxygen
Why there are so many questions in different languages on this site?
how to write a misfit story
Figure LMNOPQ ≌ figure STUVWX, m∠M = 25°, m∠P = 103°, and m∠Q = 47°. What is m∠X?
How much does the average 10 year old weigh
Justify each of your steps using number properties 2x+3y+2x-2y-3x
order from least to greatest ! 1.36,1.3,1.63 and this other 0.42,3.74,3.47.
A neutral atom contains 12 neutrons and 11 electrons. The number of protons in this atom is (1) 1 (3) 12 (2) 11 (4) 23