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Conversion to Cartesian form

Conversion to Cartesian form

IB Year 6 | Grade 12

Convert the following into Cartesian form:

  1. \(2\mathrm{cis}\left(\frac{\pi}{2}\right)\)
  2. \(5\mathrm{cis}(\pi)\)
  3. \(\sqrt{2}\mathrm{cis}\left(-\frac{\pi}{4}\right)\)

Solution:

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Answer:(a) \(2i\) (b) \(-5\) (c) \(1-i\).

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