M mindy88 New member Joined Apr 11, 2007 Messages 30 Jul 10, 2007 #1 The problem is: The unit vector that makes an angle [(2)(Pi)]/3 with the positive x-axis and it asks you to find the component form of the vector. I don't even know where to start. Any help would be great. Thanks.
The problem is: The unit vector that makes an angle [(2)(Pi)]/3 with the positive x-axis and it asks you to find the component form of the vector. I don't even know where to start. Any help would be great. Thanks.
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Jul 10, 2007 #2 Maybe (cos(2pi/3),sin(2pi/3))?
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Jul 10, 2007 #4 A unit vector has length 1. Component form: \(\displaystyle \L\\v=||v||cos{\phi}i+||v||sin{\phi}j\) ||v||=1 since this is a unit vector. So you have what tkh said.
A unit vector has length 1. Component form: \(\displaystyle \L\\v=||v||cos{\phi}i+||v||sin{\phi}j\) ||v||=1 since this is a unit vector. So you have what tkh said.
