Wee Wen Shih's answer to Jn's Junior College 1 H2 Maths Singapore question.
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Part 2 of the solution, thank you!
Date Posted:
2 years ago
Why is the angle 0?
L1 and L2 now lie in the same plane, so there has to be no angle.
Previously when they were on different planes, there will be some angle.
Previously when they were on different planes, there will be some angle.
Thanks!!
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