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14.1 Introduction to Trigonometric

- MACSYMA has many Trig functions defined. Not all Trig identities are programmed, but it is possible for the user to add many of them using the pattern matching capabilities of the system. The Trig functions defined in MACSYMA are: ACOS, ACOSH, ACOT, ACOTH, ACSC, ACSCH, ASEC, ASECH, ASIN, ASINH, ATAN, ATANH, COS, COSH, COT, COTH, CSC, CSCH, SEC, SECH, SIN, SINH, TAN, and TANH. There are a number of commands especially for handling Trig functions, see TRIGEXPAND, TRIGREDUCE, and the switch TRIGSIGN. Two SHARE packages extend the simplification rules built into MACSYMA, NTRIG and ATRIG1. Do DESCRIBE(cmd) for details.


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