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Screenshot of the output of the basic rotating dots example using CSS. In a tutorial [Bramus] takes us through using the trigonometric functions in CSS.
7 GIFs illustrate trigonometry concepts, making math more engaging and fun.
Interpolated Six-Place Tables of the Logarithms of Numbers and the Natural and Logarithmic Trigonometric Functions. Edited by H. W. Marsh. Pp. xii + 155.