For the following exercises, prove the identities. cos(16x) = (cos 2 (4x) − sin 2 (4x) − sin(8x))(cos 2 (4x) − sin 2 (4x) + sin(8x))
Chapter 7, 7.3 Exercises #63
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For the following exercises, prove the identities.
cos(16x) = (cos2 (4x) − sin2 (4x) − sin(8x))(cos2 (4x) − sin2 (4x) + sin(8x))
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