Week 18

Top 5 Things I Learnt in Pre-Calc 11

Cosine Law

  • Useful for every triangle
  • Easy to use


  • Always wondered how they looked on graph
  • Interesting and “fun” with absolute values

Arithmetic Sequences

  • How to find n amount of terms
    • Found this very interesting and easy
    • I liked learning this because it could also be applied to everyday life

Geometric Sequences

Solving Systems

  • I didn’t like this unit but it was a challenge which made it okay, and after i found out what we were actually looking for it made more sense.
  • I found it interesting how we could put one equation into the other
  • This is the unit i found out what the difference between solving and looking for the roots was.


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