Math, asked by akagraravi, 9 months ago

A line makes angle X,Y,Z and W with the diagonals of a cube.
Prove that
Cos²X + cos²Y+Cos²Z+Cos²W=4/3

Answers

Answered by abhinavyadav8480
0

2 sin= 3 cross=4sin3

u=1=u=o=w=0

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