Find the angle theata for a vector

  • #1
100
0

Homework Statement


Let angle theta be angle vector A which makes with the + x-axis measured counterclockwise from that axis. Find the angle theata for a vector that has the following components. ax=3.40 m. ay= -.700 m.


Homework Equations


ay/ax=tan theta.


The Attempt at a Solution



-7/3.4 =tan theta. I got -11.6 which is wrong.
 

Answers and Replies

  • #2
30
0
That should be correct. Try 360-11.6 = 348.4, which is really equivalent but that my be what they are looking for.
 
  • #3
1,341
3
measured counterclockwise from that axis

anap40 has given you the desired result and why it is so.
 

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