Chapter 7, 7.1 Exercises #33

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For the following exercises, verify the identity.

cos^{2} x − tan^{2} x = 2 − sin^{2} x − sec^{2} x

7.2 Exercises:

7.3 Exercises:

7.4 Exercises:

7.5 Exercises:

7.6 Exercise:

Practice Exercises:

Review Exercises: