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Vista Virtual School Math 30-1 Assignment 2B Summer 202 5. Use the Sum and Difference Identities to answer the following: a. Determine the exact value

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Vista Virtual School Math 30-1 Assignment 2B Summer 202 5. Use the Sum and Difference Identities to answer the following: a. Determine the exact value of cos 13T Give the simplest reduce answer. (Hint: The 12 solution should be stated as one fraction with a rational denominator.) (2 marks) b. Simplify cos (0-7 ) - sin (7 + 0) (2 marks)

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