Maple 9 Learning Guide - Maplesoft

6.1 Mathematical Manipulations • 173cos(x)sin(x)> convert( arccos(x), ln );−I ln(x + √ −x 2 + 1 I)> convert( binomial(n,k), factorial );n!k! (n − k)!The parfrac argument indicates partial fractions.> convert( (x^5+1) / (x^4-x^2), parfrac, x );x + 1x − 1 − 1 x 2You can also use convert to find a fractional approximation to afloating-point number.> convert( .3284879342, rational );1961559713Note that conversions are not necessarily mutually inverse.> convert( tan(x), exp );−I ((e (x I) ) 2 − 1)(e (x I) ) 2 + 1> convert( %, trig );−I ((cos(x) + sin(x) I) 2 − 1)(cos(x) + sin(x) I) 2 + 1The simplify command reveals that this expression is sin(x)/ cos(x),that is, tan(x).