Chapter 7, 7.3 Exercises #63

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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))

7.2 Exercises:

7.3 Exercises:

7.4 Exercises:

7.5 Exercises:

7.6 Exercise:

Practice Exercises:

Review Exercises: