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

Which of these is not a reasonable fitness goal? A. I want to exercise for 3 hours every day. B. I want to exercise for 30 minutes, five days a week. C.
True or False? Sentences in pic
Triangle MNP is graphed on a coordinate grid with vertices at M (−3, −6), N (0, 3) and P (6, −3). Triangle MNP is dilated by a scale factor of u with the origin
3.2 possessive adjectives
Which of the following best describes a plantation in the 1800s?
How did natural rights affect the american revolution
In Of Mice and Men, based on the dialogue in the reading excerpt, Lennie struggles mainly with ​
Special relativity can be used to study an object in which frame of reference? A. A frame of reference that is moving at a constant velocity B. A frame of refer
what is the most accurate measurement of 1 pound​
Solve for each of the following proportions: a. 5/x=30/42 b. x/8=-12/32