a) l2+m2-n2=0
b) lmn=1
c) l2+m2+n2=1
d) l2 m2+n2=1
If l, m, n are the direction cosines of a position vector \(\vec{a}\), then which of the following is true?
-
answerhappygod
- Site Admin
- Posts: 899604
- Joined: Mon Aug 02, 2021 8:13 am
If l, m, n are the direction cosines of a position vector \(\vec{a}\), then which of the following is true?
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!