chayiljacquet chayiljacquet

23-07-2018
Mathematics

contestada

Find the angle between two vectors [see attachment]
Please help!!

Find the angle between two vectors see attachment Please help class=

Respuesta :

Аноним Аноним

23-07-2018

Angle = arccos (dot product / product of the magnitues)

dot product = 1*-1 + 9*sqrt7 = 22.812

product of the magnitudes = sqrt(1 + 7) * sqrt(1 + 82) = 25.612

required angle = arccos (22.812/25.612) = 27 degrees to nearest degree

Its choice b.

Answer Link

Otras preguntas

(3, 5), (4, 6), (3, 8), (2, 4), (1, 3), as a mapping

A parallelogram has a base of 10 centimeters and a height of 4 centimeters. What is the area of the parallelogram?

how did apartheid start

I enjoy cooking I like to go out to eat sometimes, too. Which of the revisions corrects the sentence? I enjoy cooking, but I like to go out to eat sometimes, to

Which of the following tasks should be accomplished while preparing to write the body of an email? Take a picture with of text messages with a camera and file

Find the distance between (2,0) and (8, -3) The distance d between the points (Xy, Yı) and (x2, Y2) is d = Vixz - x,)2 + (y2 - y)2. O 789 15 13 O 3V5

what’s the equivalent multiplication statement to 9 divide 1/11

It is midpoint please help

Please help ???????????????????

Hello! Need a little help kind of confused. Thanks in advance!