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

Based on the table of values below, find the slope between points where x = 5 and where x = 10. X y 5 2 7 6 10 7 Answer choices A -1
IM ALMOST DONE. I NEED HELP PLEASE!! Find the indicated limit, if it exists. limit of f of x as x approaches 2 where f of x equals x plus 3 when x is less than
The surface areas of two similar solids are 1008 cm2 and 1372 cm2. The volume of the larger solid is 1801 cm3. Find the volume of the smaller solid. Round your
Jeff wants to open a basic savings account. He should go to blank or blank to open the account.
B. X(3,2) L(2,5) W(4,4) C.X(0,-3) L(-1,0) W(1,-1) D.X(-1,1) L(0,2) W(2,0) Geometry math question
The new deal set two policies that promised
PLS HELP BEING TIMED X: 7(x-20)=x+4
Which pair of lines in these poetic passages uses onomatopoeia? Weary with toil, I haste me to my bed, The dear repose for limbs with travel tired, But then beg
factor the trinomial 4x2+23x-6
Which of the following is NOT a form of energy? a.electrical c.thermal b.nuclear d.magnetic