Summation Formula: A closed-form expression used to compute the sum of sequences, particularly those involving trigonometric functions, without recourse to term-by-term addition.

On pages 4 and 5 we find four-place logarithms of numbers, then logarithms of sums and differences (Gaussian logarithms) also to four places, then follow tables of logarithmic trigonometric ...

In this paper, a high resolution direction of arrival (DOA) estimation algorithm is proposed that based on the usage of nonlinear function of sum and difference beam. The generalized expression of ...

NCERT Solutions for CBSE class 11 Mathematics; get detailed and accurate answers to all questions of chapter 3, Trigonometric Functions.