Learning trigonometric functions is a vital part of Algebra 2, as these functions are used to describe relationships between angles and sides in triangles. This video provides a comprehensive ...

Chebyshev expansion coefficients, accurate to forty decimal places, for the functions sine, cosine, and tangent, are tabulated. The methods used to generate the expansions are outlined and the ways in ...

Fundamental trigonometric identities, aka trig identities or trigo identities, are equations involving trigonometric functions that hold true for any value you substitute into their variables. These ...