Difference between revisions of "TrigCombine Command"
From GeoGebra Manual
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Revision as of 08:18, 24 July 2012
This page is about a feature that is supported only in GeoGebra 4.2. |
- TrigCombine[ <Expression> ]
- Transformes a trigonometric expression including products of trigonometric functions into an expression without products involving sums of variables.
- Example:
TrigCombine[sin(x) cos(3x)]
gives \frac{sin(4x)-sin(2x)}{2}.
- TrigCombine[ <Expression>, <Target Function> ]
- Transformes a trigonometric expression including products of trigonometric functions into an expression without products involving sums of variables, preferring the given target function.
- Example:
TrigCombine[(tan(p) + tan(q)) / (1 - tan(p) tan(q)), tan(x)]
gives tan(p + q).
Note: See also TrigExpand Command and TrigSimplify Command.