codylowery425 codylowery425
  • 23-01-2024
  • Physics
contestada

The angle between two lines whose direction cosines l, m, n are given by l plus m plus n equals 0 and mn minus 6nl plus 12l squared equals 0 is:

a. 30 degrees
b. 45 degrees
c. 60 degrees
d. 90 degrees

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