A line makes angles alpha ,beta,gamma and delta with diagonals of ther cube,prove that - cos ^ 2 alpha + - Maths - Three Dimensional Geometry

Question

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

Varun.Rawat · Accepted Answer

Kindly refer the following link :

https://www meritnation
com/ask-answer/question/a-line-makes-angles-alpha-beeta-gama-and-delta-with/three-dimensional-geometry/6722652

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