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math54-f22:quiz3

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quiz-style questions:

  • Find expressions for $\sin(2\theta)$ and $\sin(3\theta)$ in terms of $\cos(\theta), \sin(\theta)$.
  • Compute $(\frac{1+i}{\sqrt{2}})^{20}$
  • Sketch the region $\vert z-1 \vert + \vert z+1 \vert \geq 2$.
math54-f22/quiz3.1663122287.txt.gz · Last modified: 2026/02/21 14:44 (external edit)