For the following exercises, prove the identities.
cos(16x) = (cos2 (4x) − sin2 (4x) − sin(8x))(cos2 (4x) − sin2 (4x) + sin(8x))
Precalculus
1st Edition
Authors: Jay Abramson
ISBN: 9781938168345
Verify that the following are identities (see Example 6). (a) Sin2 v
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