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10 cards from this deck
sin²x = (1 - cos(2x)) / 2
cos²x = (1 + cos(2x)) / 2
They simplify complex integrals into manageable forms.
Substitution using trigonometric identities.
Identify the integral of sin²x.
x/2 - (1/4)sin(2x) + C
They help calculate average power in AC circuits.
Skipping identity transformations during simplification.
Root Mean Square.
They simplify calculations over specific intervals.
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