If l=m=n>0 are direction cosines, then each equals:
If l=m=n>0 are direction cosines, then each equals:
- A. 1/√3
- B. 1/3
- C. √3
- D. 3
Answer: A) 1/√3
Explanation: 3l²=1 ⇒ l=1/√3.
0 Answers
Log in to post your own answer or join the discussion.
If l=m=n>0 are direction cosines, then each equals:
Answer: A) 1/√3
Explanation: 3l²=1 ⇒ l=1/√3.
No comments yet — start the discussion.