Question: 5. Use the Sum and Difference Identities to answer the following: . 77: . . . . 3. Determine the exact value of tan as

5. Use the Sum and Difference Identities to answer the following: . 77: . . . . 3. Determine the exact value of tan as a reduced fraction With a rational denominator. (2 12 marks) b. Simplify cos(6+7z)sin(7r0) (2 marks)

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