Trigonometric functions are often used in embedded systems. Motor drivecontrol applications such as the Park Transform, Clarke Transform, andPWMgeneration use trigonometric functions extensively.

The Canadian Journal of Economics / Revue canadienne d'Economique, Vol. 39, No. 1 (Feb., 2006), pp. 145-162 (18 pages) This paper proposes the first ever empirical specification of a trigonometric ...