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

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

Find Domain of the functionsquare root of (x-8)/x(x-9)

find an equivalent expression without parentheses -(50x-15y+15)=

find an equivalent expression without parentheses -(50x-15y+15)=

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

How is it possible for Mercury to have frozen ice ?

Find Domain of the functionsquare root of (x-8)/x(x-9)