A line AB in three-dimensional space makes angles 45 o and 120 o with the positive x …
Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry
A line AB in three-dimensional space makes angles 45o and 120o with the positive \(\mathbf{x}-\)axis and the positive \(y^{-}\)axis respectively. If AB makes an acute angle θ with the positive \(2-\)axis, then θ equals :
- 45o
- 60o
- 75o
- 30o
Answer
(B) 60 o
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- If a line makes angles x, , Y with the positive direction of x, y and z-axes respectively. Then ^ 2 x+ ^ 2 +…
- If a point R(4, y, z) lies on the line segment joining the points P(2, -3, 4) and Q(8, 0, 10), then the…
- Unit vector perpendicular to the plane of the triangle ABC with pv’s a , ~b , c of the vertices A, B, C is
- The point of intersection of the line x 1 = y-1 2 = z+2 3 and the plane, 2x + 3y + z = 0, is :
- The projections of a vector on the three coordinate axes are 6,-3,2 respectively. The direction cosines of…
- If the vector b is collinear with the vector a =(2 2 ,-1,4) | b |=10 , then
- The point of intersection of lines, x -4 5 = y -1 2 = z 1 x -1 2 = y -2 3 = z -3 4 is :
- Distance between two parallel planes 2 x+y+2 z=8 and 4 x+2 y+4 z+5=0 is
More Three Dimensional Geometry questions · Browse all practice questions