I am trying to understand what I am doing wrong.

Attached is the work and the pictures 111111 and 1111111 showing that the answer is wrong.

You can actually see the correct answer and may be if you can guide me explain me w

\fScore: 0 of 1 pt 4 of 9 Te X 14.3.39 Given an acceleration vector, initial velocity (Up,Vo) , and initial position (Xo.yo) , find the velocity and position vectors for t= 0. a(t) = (cost,2 sin t) , (Up.Vo) = (0,3), (Xo.yo) = (2,0) What is the velocity vector? v(t) = ( sin t, - 2 cos t+5) What is the position vector? r(t) = ( - cost+ 3, - 2 sin t+ 5t)Lab Math X 13.3.59 Courses Question Help Given a fixed vector v, there is an infinite set of vectors u with the same value of projyu. Let v = (1,1). Give a description of all position vectors u = (x,y) such that ussions projvu = projv (1,6) se Home The heads of the vectors u satisfy the equation(s) y = 7 -x (Type an equation. Use a comma to separate answers as needed.) lemic Calendar se Syllabus X kly Assignment dule The orthogonal projection of u onto v, denoted projyu, where v = 0, is given by the following formulas. lebook projyu = u| cos 0 ework & Quizzes ractive eBook projyu = scaly [ TV ) = (VY) OK ic eBook ter Contents s for Success imedia Library Question is complete. Tap on the red indicators to see incorrect answers. G-3995.PNG Type here to search O M a N 9 W ? AX 13.3.59 Question Help Given a fixed vector v, there is an infinite set of vectors u with the same value of projyu. Let v = (1,1). Give a description of all position vectors u = (x,y) such that Find projvu = projv (1,6). ac Replace The heads of the vectors u satisfy the equation(s) y = 7 -x. Select - (Type an equation. Use a comma to separate answore nondad ) Editing X You answered: x + 3 =7 Get answer feedback Ctrl) Question is complete. Tap on the red indicators to see incorrect answers. ? ich O a N 9 W