Trigonometric Functions Articles

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5/21/2026 • EN

Circular and hyperbolic functions differ by rotations

Explains how circular and hyperbolic functions relate through rotation, showing identities like cosh(z)=cos(iz).

Complex Numbers Hyperbolic Functions mathematics rotation Trigonometric Functions

John D. Cook

3/8/2026 • EN

How much certainty is worthwhile?

Discusses verifying mathematical identities using point-checking, Python, and formal methods, relating to programming and proofs.

Polynomial Identity Testing Python Schwartz Zippel Lemma Trigonometric Functions Zero Knowledge Proofs

John D. Cook

11/14/2023 • EN

Radial Gradients and CSS Trigonometric Functions

A tutorial on creating flower shapes in CSS using layered radial gradients and trigonometric functions like sin() and cos() for precise positioning.

Calc css Custom Properties Radial Gradient Trigonometric Functions

Michelle Barker

8/27/2014 • EN

O necessary sinpi

Explains why specialized sinpi() functions exist for accurate computation of trigonometric functions at half-integer multiples, avoiding floating-point errors.

Floating Point Accuracy Numerical Computing Power Series R Programming Trigonometric Functions

Thomas Lumley

Trigonometric Functions Articles

Circular and hyperbolic functions differ by rotations

How much certainty is worthwhile?

Radial Gradients and CSS Trigonometric Functions

O necessary sinpi

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