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FunctionExpand

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FunctionExpand[expr]
tries to expand out special and certain other functions in expr, when possible reducing compound arguments to simpler ones.
FunctionExpand[expr, assum]
expands using assumptions.
  • FunctionExpand applies to certain trigonometric functions as well as special functions.
  • FunctionExpand automatically threads over lists in expr, as well as equations, inequalities and logic functions.
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