TrigSimplify Command

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TrigSimplify[ <Expression> ]
Simplifies the given trigonometric Expression.
Example: TrigSimplify[1 - sin(x)^2] gives cos²(x).

CAS Syntax

TrigSimplify[ <Expression> ]
Simplifies the given trigonometric Expression.
Example: TrigSimplify[sin(x)^2 - cos(x)^2 + 1 ] gives 2 sin(x)².
Note:
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