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Need Help with a few vector questions for Trig Homework?
1) Express point in rectangular form. Give EXACT answer, if possible?
(2, 4π /11)
2) Given P = (2. -3) and Q = (-3, -4). find the component form of vector PQ
3) The vector v has a magnitude of 25 inches and a direction of 32° , Express this vector in rectangular form.
perform each operation with vectors u = < 6, 2 > and v = < -10, 1 >
4) u+v 5) -3u
1 Answer
- ?Lv 67 years agoFavorite Answer
1) {2*cos(4π /11), 2*sin(4π /11)} or (0.8308, 1.8193)
2) (-3-2, -4-(-3)) or (-5, -1)
3) {25*cos(32°), 25*sin(32°)} or (21.20, 13.25)
4) u+v = <6-10, 2+1> or <-4, 3>
-3u = <3*6, 3*2> or <18, 6>
