Question

help

Answer 1

pic above is the question

Answer 2

adding/subracting is easy in cartesian coordinates

Answer 3

change the given vectors to cartesian

Answer 4

\[\large \overrightarrow{q} = 3 \angle 307\]

in cartesian it would be
\[\large \overrightarrow{q} = (3\cos(307), ~3\sin(307)) \]

Answer 5

similarly find the cartesian form for second vector

Answer 6

ok, let me try that, I have found something similar but it says wrong

Answer 7

i found the magnitude, how about the direction from standard position?

Answer 8

http://www.wolframalpha.com/input/?i=arctan%28+%283sin%28307%29%2B10sin%28251%29%29%2F%283cos%28307%29%2B10cos%28251%29%29%29%29+%29

Answer 9

thx for helping

Answer 10

is 83.02 right ?

Answer 11

i think you're right, u need to add 180 degrees to 83.02