Find the direction cosines and direction angles of the vector. (Give the direction angles correct to...
Find the direction cosines and direction angles of the vector. (Give the direction angles correct to the nearest degree.) (9,4,-4) cos(a) = cos(B) = cos(Y) = B = 0 0 0 y = [-12 Points] DETAILS SCALCET8 12.3.041. Find the scalar and vector projections of b onto a. a = (4,7,-4) b = (3, -1, 1) scalar projection of b onto a vector projection of b onto a [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET8 12.3.047. If a = (2,0, -1),...
© Examples: 1. Find the direction angles of for the vector v = 2i + 3j + 4k, and show that cos?a + cos?ß + cos2y = 1. 2. Find the direction angles of the vector v= 2i + 3j – k. O P1. Find the direction angle of line determined by the origin and the point P(2,-3,6) OP2. Find the direction cosines of the line directed from P1(1, -3,4) to P2(4,3,-2).
What is the angle between the given vector and the positive direction of the x-axis? (Round your answer to the nearest degree.) i + voj 30 o X Need Help? Read It Watch It Talk to a Tutor
2) 3) If a = (2, -1, 2) and b = (9, 2, 1), find the following. a xb -6i + 16 + 13k x b xa = 6i – 16j – 13k x Need Help? Read It Watch It Talk to a Tutor Find the scalar and vector projections of b onto a. a = (4,7,-4) b = (3, -1, 1) scalar projection of b onto a 1 9 vector projection of b onto a Find, correct to the...
Find the directional derivative of the function at the given point in the direction of vector v. f(x, y, z) - xel + ye? + zet, (0, 0, 0), v = <4,9,0> DULCO,0,0) - Need Help? Read it Talk to a Tutor
Find the coordinates of a point P on the line and a vector v parallel to the line. *;? X - 7 y + 4 = Z + 2 3 P(x, y, z) V = Need Help? Watch It Talk to a Tutor
Verify that the vector Xa is a particular solution of the given nonhomogeneous linear system. ,_21 et+ 1 tef, one has 1 te is a particular solution of the given system Since the above expressions--Select Need Help?Read It Talk to a Tutor dx dt x(t), y(t)) Need Help?Read It Watch It Talk to a Tutor
Find the magnitude of the vector a and the smallest positive angle from the positive x-axis to the vector OP that corresponds to a = (-2,-2) a = 22 0 - 45° X Need Help? Read it Watch It Talk to a Tutor ti
(b) Find the area of the triangle PQR. Find the volume of the parallelepiped with adjacent edges PQ, PR, and PS. P(−2, 1, 0), Q(3, 5, 3), R(1, 4, −1), S(3, 6, 2) 9. +5/10 points | Previous Answers SCalcET8 12.4.029 Consider the points below. (a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R. 〈0.16,-8) (b) Find the area of the triangle PQR. Need Help? Read It Watch It Talk to a Tutor...
7. 11 points LarCalc9 7 6.025. Find Mx, My, and (x, y) for the laminas of uniform density p bounded by the graphs of the equations. (Use rho for p as r X y 8y y X= M= My (x, y)- 1 Need Help? Watch It Talk to a Tutor Read It 7. 11 points LarCalc9 7 6.025. Find Mx, My, and (x, y) for the laminas of uniform density p bounded by the graphs of the equations. (Use rho...