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FilledSmallSquare ExpToTrig[expr] converts exponentials in expr to trigonometric functions.

FilledSmallSquare ExpToTrig generates both circular and hyperbolic functions.

FilledSmallSquare ExpToTrig tries when possible to give results that do not involve explicit complex numbers.

FilledSmallSquare See Section 1.4.5 and Section 3.3.7.

FilledSmallSquare See also: TrigToExp, TrigReduce, ComplexExpand.

FilledSmallSquare New in Version 3.

Further Examples