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Mathematics, 17.01.2022 16:30 steven0448

Degree :(1) Which trigonometric expression equivalent to cos(6x)° cos(3x)° +
sin(6x)° sin(3x)º

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Degree :(1) Which trigonometric expression equivalent to cos(6x)° cos(3x)° +
sin(6x)° sin(3x...
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