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This chapter starts with an application of De Moivre’s theorem and Euler’s formula in the derivation of trigonometrical sums and products. Differentiation and integration methods are also applied to get the series sums, as described in Chap. 1. Circular and hyperbolic trigonometrical identities are given as problems in this chapter.

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Trigonometrical Series

  • 章节

  • 发表日期：

    2025年

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  • Abhishek Mishra

摘要

This chapter starts with an application of De Moivre’s theorem and Euler’s formula in the derivation of trigonometrical sums and products. Differentiation and integration methods are also applied to get the series sums, as described in Chap. 1. Circular and hyperbolic trigonometrical identities are given as problems in this chapter.