Fermi · Concept Library · Courses · Books · Problems · Simulations · Math Wiki · High School
Fermi › Problems
If the vectors and are linearly independent satisfying
MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra
Problem If the vectors a \mathbf{a} a and b \mathbf{b} b are linearly independent satisfying ( 3 tan θ + 1 ) a + ( 3 sec θ − 2 ) b = 0 (\sqrt{3} \tan \theta + 1)\mathbf{a} + (\sqrt{3} \sec \theta - 2)\mathbf{b} = \mathbf{0} ( 3 tan θ + 1 ) a + ( 3 sec θ − 2 ) b = 0 , then the most general value of θ \theta θ are
(1) n π − π 6 , n ∈ Z n\pi - \frac{\pi}{6}, n \in \mathbb{Z} nπ − 6 π , n ∈ Z
(2) 2 n π ± 11 π 6 , n ∈ Z 2n\pi \pm \frac{11\pi}{6}, n \in \mathbb{Z} 2 nπ ± 6 11 π , n ∈ Z
(3) n π ± π 6 , n ∈ Z n\pi \pm \frac{\pi}{6}, n \in \mathbb{Z} nπ ± 6 π , n ∈ Z
(4) 2 n π + 11 π 6 , n ∈ Z 2n\pi + \frac{11\pi}{6}, n \in \mathbb{Z} 2 nπ + 6 11 π , n ∈ Z
Browse the problem library