The trigonometric functions

  • Edward J. LeCuyerJr.
Part of the Undergraduate Texts in Mathematics book series (UTM)


Originally, trigonometry was developed to solve problems involving triangles. As such, it is a very important tool for surveyors, machinists, engineers, astronomers, and navigators. As we shall see, the trigonometric functions are readily available in APL. Therefore, we shall study some of the basic properties of the trigonometric functions and explore their use in solving triangles. This chapter is not intended as a complete study of the trigonometric functions. Many of the topics usually studied in a course in trigonometry will be omitted.


Trigonometric Function Standard Position Fourth Quadrant Pythagorean Theorem Adjacent Side 
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Copyright information

© Springer-Verlag New York Inc. 1978

Authors and Affiliations

  • Edward J. LeCuyerJr.
    • 1
  1. 1.Department of MathematicsWestern New England CollegeSpringfieldUSA

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