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Verify the Identity 4cos⁡3xcos⁡6xsin⁡9x=sin⁡3x+sin⁡14x+sin⁡19x4 \cos 3 x \cos 6 x \sin 9 x = \sin 3 x + \sin 14 x + \sin 19 x

Question 18

Multiple Choice

Verify the identity. 4cos⁡3xcos⁡6xsin⁡9x=sin⁡3x+sin⁡14x+sin⁡19x4 \cos 3 x \cos 6 x \sin 9 x = \sin 3 x + \sin 14 x + \sin 19 x


A) Not identical
B) Identical

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