trigonometrical

adj.

三角法的，三角学的；

Trigonometrical Series
A Trigonometrical Series
The method of trigonometrical sums in the theory of numbers
On the representation of functions by trigonometrical integrals
Fragile watermarking using finite field trigonometrical transforms
First results from HIPPARCOS trigonometrical parallaxes of Mira-type variables
Approximation of functions in the mean by trigonometrical polynomials
Weighted trigonometrical approximation on R 1 with application to the Germ field of a stationary Gaussian noise
Some Problems of Diophantine Approximation: A Remarkable Trigonometrical Series
The Cepheid period-luminosity zero-point from Hipparcos trigonometrical parallaxes