9.4E: Sum-to-Product and Product-to-Sum Formulas (Exercises)
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For the following exercises, evaluate the product for the given expression using a sum or difference of two functions. Write the exact answer.
30.
31.
32.
For the following exercises, evaluate the sum by using a product formula. Write the exact answer.
33.
34.
For the following exercises, change the functions from a product to a sum or a sum to a product.
35.
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38.