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Mathematics, 03.11.2021 01:00 KillerMDFK7992
Write the expression as the sine, cosine, or tangent of an angle.
cos 9x cos 6x - sin 9x sin 6x
O cos 3x
O sin 15x
O cos 15x
O sin 3x
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Answers: 3
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You know the right answer?
Write the expression as the sine, cosine, or tangent of an angle.
cos 9x cos 6x - sin 9x sin 6x
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