Question

help with part of question please!

Answer 1

i already got A+B because his answer is correct but how do i get the A-B?

Answer 2

A=<13cos(30),13sin(30)>
B=<9cos(180),9sin(180)>
A+B=<13cos(30)+9cos(180), 13sin(30)+9sin(180)>
A-B=<13cos(30)-9cos(180), 13sin(30)-9sin(180)>

Answer 3

Sorry, my eyes are watering! Nice talking to you!

Answer 4

what is the 2.3^2

Answer 5

?

Answer 6

in the comment in the pic i posted, anyway do you know how to explain A-B to me? i only have ten minutes or so left

Answer 7

that should clear it up.

Answer 8

ah im kinda lost mind just telling me the answer this one time? just cause I'm running out of minutes left and this is my last problem brain fried and i want 100!!!?

Answer 9

but thanks so much for everything and your time

Answer 10

does 11.25 sound right?

Answer 11

@mathmate already gave you the answer



<13cos(30)-9cos(180), 13sin(30)-9sin(180)>

Answer 12

ah it was wrong :(

Answer 13

i get 20.26 and 6.5

Answer 14

yep

Answer 15

but then what do i do with that?

Answer 16

what?

Answer 17

those two numbers cause theres a _________m answer and then a _____________ deg answer

Answer 18

ohh ad to tell which is x and y you can by?

Answer 19

20.26 and 6.5

Answer 20

ah i got it wrong any ideas?? i only have 3 min left!!!!!