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Thursday, December 12, 2019

Interesting Application of De Moivre's Theorem


This is an interesting application of De Moivre's theorem wherein we get the series expansions of sin nx,cos nx, tan nx using this theorem. Note that here n is a positive integer.
Posted by Abhishek Agrawal at 11:39 AM
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Blog Archive

  • ▼  2019 (20)
    • ▼  December (20)
      • Successive Differentiation(theory)
      • Tangents and Normals(theory)
      • Infinite series theory(part 1)
      • Expansion of Functions
      • Curvature(theory)
      • Asymptotes
      • Shifting of origin
      • Interesting Application of De Moivre's Theorem
      • Rotation Matrices
      • Rotation of Coordinate Axes
      • Graph theory
      • Rotation of a vector by an angle using complex num...
      • Cramer's rule for Quadratic equations(condition of...
      • LU Decomposition (Crout Decomposition)
      • Trigonometric formulas using Geometry
      • Tangent to a polar curve
      • Trigonometry using complex numbers
      • Projection Formulas
      • Solution of Triangles
      • Eigen Value and Eigen Vector
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