Guest

A line makes angle a,b,c,d with the 4 diagonal of a cube, then prove that cos^2a+cos^2b +cos^2c+cos^2d=4/3

A line makes angle a,b,c,d with the 4 diagonal of a cube, then prove that cos^2a+cos^2b +cos^2c+cos^2d=4/3

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
576-2492_1.PNG576-1861_2.PNG

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free