Question

The vectors à, č,ě E R2 depicted below are unit vectors. The vectors , , F E R2 depicted below have length 2. Adjacent vectors form an angle of 7/8 with each other (e.g., the angle between Ő and Ĉ is a/8).

Answer 1

The rellor a ē, ē ERR depicted blow are unit rectors, el llall = liell = llēli The relfort, a, F GIR? depicted blow have kength a el Moll = ln all = 11f11= from the graph take o ad origin - ł, a Leod at by graph Toca = loll llall costcod (016- Ve+ve 1 = 1.2. Cort -1.2.X 0.9238 2. a = 118976. I 5. c = 11511 llell Rot Lboe Here. Lboc = 7 = 0.9438 4.. Com O = 9 - 1X0.5238 LLOC=Crood te doe Lcoe = h Lue a to Thea 118076 0 = lles llell wx Lloe = 1 L Cost 51.1.0.10H [ Tie = oitoin

ba b. ct - 116 11 llall cos a bod Here chod=cboc tceod = A * - - Lbed to bi = 2.2 Costa -- 9 x 2% ont 071) I boct = 2.828+| bit = 11611 llFV (18.8 Zbor ht L hof a cboctL cod+Ldoetcrol TI L bof - 5. t = 9.2. Cor. The = 4.0 TūFFO ā. Ī = llall Kell Cuscoop Laof=Laobt <bot Laok = a + = . 5F a. f = 1.9. cor (5 ) a F = 1-4X (-0.3926) = -0.7652

af = -0.7654 to 1ūšisis & la to 14 ā, Hone of these 25) E, et I 5, i Ĉ la n! Ti = 0 toi u Ib, f id. i 20.4 652 la F Hone ol mee det FOF For = def(F) det, fi til det fall delf of = 1 of eles F-1 FOB - 1.a = 2 eleh B2271 det FOB = X YL

DOR denloob)= deAphet (B) 1. = 11% der Bad dy D = 1 debug = 271 deh (ULUBOW -dehow det(B) deter, ho Boh 2o. dio 1 eetho eltb=2 Chopoh) co determinant larger thing. 0 ② For FOB (11) Dopo D a OBOL More 27 der(Coc) = det c'du = B.B deteß co a BP 70. F OF FOR DOB Coc Home