If the angle between a and b is θ then for a b 0

Mathematics · JEE Main · NTA Exams — Three Dimensional Geometry

1. 0 < θ < π
2. 0 < θ or θ > π/2
3. π/2 < θ < π
4. 0 < θ < π/2

Answer

(D) 0 θ π /2

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• A line makes acute angles of α, β and γ with the co-ordinate axes such that cos α cos β = cos β cos = 2 9 and…
• 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…
• The line, x-2 3 = y-3 4 = z-4 5 is parallel to the plane :
• If the points A(1,2,-1) , E (2,6,2) and [( ,-2,-4) are collinear, then is
• If a line makes an angle of 4 with the positive directions of each of x - axis and y^ - axis, then the angle…
• The plane 2x – 3y + 6z – 11 = 0 makes an angle sin –1 (α) with x-axis. The value of α is equal to
• The image of the point P (1, 3, 4) in the plane 2x – y + z + 3 = 0 is
• A plane meets the coordinate axes in A, B, C and (α,β,γ) is the centroid of the triangle ABC. Then the…

More Three Dimensional Geometry questions · Browse all practice questions