LyzaTeal's answer to Juned Sayyad's Junior College 2 H1 Maths question.

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Lyzateal's answer
12 answers (A Helpful Person)
Here's my answer, hope it helps! :)
Tham KY
Tham KY
5 years ago
Next step should be 90°-deta, because the normal vector of plane is used. The deta is between line and normal of plane...