- #1
Mdhiggenz
- 327
- 1
Homework Statement
The components of vector are given as follows
Ax= +3.9
Ay= -4
The angle measured counterclockwise from the x-axis to vector , in degrees, is closest to:
A,136
B.134
C.224
D.314
E.46
Homework Equations
The Attempt at a Solution
When I saw this problem I though all we had to do was get the inverse tan of -3.9/4
Which gave me -44.27. I added 180 to place it in the proper quadrent to get 135.7 which is choice A however the answer is 314 which makes no sense