For the following exercises, prove the identities. cos(16x) =(cos 2 (4x) sin 2 (4x) sin(8x))(cos
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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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