A line makes angles `alpha,beta,gammaa n ddelta` with the diagonals of a cube. Show that `cos^2alpha+cos^2beta+cos^2gamma+cos^2delta=4//3.`

A line makes angles alpha,beta,gamma and delta with the diagonals of a cube.Show that cos^(2)alpha+cos^(2)beta+cos^(2)gamma+cos^(2)delta=4/3

A line makes angles alpha,beta,gamma and delta with the diagonals of a cube, prove that cos^2alpha+cos^2beta+cos^2gamma+cos^2delta=4/3

A line makes angles alpha, beta, gamma, delta with the diagonals of a cube, prove that cos^2alpha + cos^2beta + cos^2gamma + cos^2 delta = 4/3

A line makes angles alpha,""""beta,""""gamma and delta with the diagonals of a cube, prove that cos^2alpha+cos^2beta+cos^2gamma+cos^2delta=4/3

A line makes angles alpha, beta, gamma, delta with the four main diagonals of a cube. Prove that cos^2alpha+cos^2beta+cos^2gamma+cos^2delta=4/3

A line makes angles alpha,beta,gamma and with the diagonals of a cube,prove that cos^(2)alpha+cos^(2)beta+cos^(2)gamma+cos^(2)delta=(4)/(3)

A line makes the angle alpha, beta , gamma and delta with the diagonals of a cube. The cos^2 alpha + cos^2 beta + cos^2 gamma + cos^2 delta =.............