Author: Dr. McDonald

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11 SL: The Sine Rule

Complete the following questions before our next class.

(Red Book)
Exercise 8D.1 questions 1abd, 2ab, 3a
Exercise 8D.2 questions 1, 2ab, 3

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11 HL: The Cross Product

Here are a couple of short questions that you might want to look at over the break. Have a great break everyone!

  1. Find the area of the triangle with vertices A(1, 1, 2), B(3, –1, 0), and C(0, –2, –1).
  2. Find a vector orthogonal to both \(\vec{a}=\begin{bmatrix}1\\2\\-2\end{bmatrix}\) and \(\vec{b}=\begin{bmatrix}3\\4\\1\end{bmatrix}\).
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11 SL: Trigonometry: Area of a Triangle and the Cosine Rule

Complete the following questions before our next class (after the break).

Exercise 8B (Red Book) questions 1–4, 9
Exercise 8C questions 1ad, 2ac, 3, 6, 9

Also make sure you finish all the homework below from our last class (which had been posted on SEQTA, but not here), and enjoy the break!

(black book)
Exercise 9D questions 2–6, 9ace, 12ab, 16