Abstract
Proving trigonometric identities is normally approached geometrically, where one constructs a diagram containing useful ratios, to reveal the required answer using logic. In this chapter I show how complex numbers provide an algebraic way of proving trigonometric identities.
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Vince, J. (2018). Trigonometric Identities Using Complex Numbers. In: Imaginary Mathematics for Computer Science. Springer, Cham. https://doi.org/10.1007/978-3-319-94637-5_7
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DOI: https://doi.org/10.1007/978-3-319-94637-5_7
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-94637-5
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