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2. Use the Sum and Difference Identities to answer the following: 7 a. Determine the exact value of tan Give the simplest reduced answer.

2. Use the Sum and Difference Identities to answer the following: 7 a. Determine the exact value of tan Give the simplest reduced answer. (Hint: It will no 12 longer be a fraction). (2 marks) b. Simplify cos (0+) - sin (7-0) (2 marks)

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