For `0 < theta < pi/2, tan theta+ tan 2theta + tan 3theta = 0` if

The inverse of [[0, 0, 1], [0, 1, 0], [1, 0, 0]] is

If A=[[a, 0, 0], [0, a, 0], [0, 0, a]] , then |A||adjA|=

If A=[[a, 0, 0], [0, a, 0], [0, 0, a]] , then |adjA|=

The inverse of the matrix [(0,0,1),(0,1,0),(1,0,0)] is (A) [(0,0,1),(0,1,0),(1,0,0)] (B) [(0,0,-1),(0,-1,0),(-1,0,0)] (C) [(1,0,0),(0,1,0),(0,0,1)] (D) [(1/2,0,0),(0,1/2,0),(0,0,1/2)]

The inverse of the matrix [(0,0,1),(0,1,0),(1,0,0)] is (A) [(0,0,1),(0,1,0),(1,0,0)] (B) [(0,0,-1),(0,-1,0),(-1,0,0)] (C) [(1,0,0),(0,1,0),(0,0,1)] (D) [(1/2,0,0),(0,1/2,0),(0,0,1/2)]

Volume of tetrahedron with vertices at (0, 0, 0), (1, 0, 0), (0, 1, 0), (0, 0, 1) is

The point equidistant from (a, 0, 0), (0, a, 0), (0, 0, a) and (0, 0, 0) is:

Out of the following matrices, choose that matrix which is a scalar matrix: a) [(0 ,0),( 0, 0)] (b) [(0, 0, 0),( 0 ,0, 0)] (c) [(0, 0),( 0, 0),( 0 ,0)] (d) [(0),(0),( 0) ]

Find a matrix B such that B[(a,0,0),(0,a,0),(0,0,a)]=[(1,0,0),(0,1,0),(0,0,1)], a ne 0

" if " f(0) = |{:(sin 0 ,,cos 0,,sin 0),(cos0,,sin0,,cos0),(cos0,, sin 0,,sin 0):}| then