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

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

When solved correctly, the equation 4x−8−−−−−√=x−5 has solutions of x=3 and x=11. Which, if any, of the solutions are extraneous?

What was the main purpose of ratifying the bill of rights

John watched television for 1 hour 35 minutes. Later he read. He watched television and read for a total of 3 hours 52 minutes. How long did John read?

Everywhere I looked I saw mountains of rare goods piled high. Bales of silk and tobacco. Chests of tea! A parrot! A monkey! Oh yes, the smell of the sea was int

carbon has 6 protons.what is it atomic number?

east germany developed a

Alanna is looking into purchasing a scooter as gas prices continue to rise. She needs a reasonably priced, comfortable, and safe scooter with room to store her

When you reach the tempature of the _______ point , you become a liquid

When 4 times the number X is added to 12, the result is 8. What number results when two x x is added to 7?

1.Why were most Europeans in the Middle Ages unable to read or write?