Trigonometry
Section 7.6
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The Product-to-Sum Formulas & an example to help with homework exercises 1-10 |
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The Sum-to-Product Formulas & an example to help with homework exercises 11-18 |
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Examples to help with homework exercises 19-36 There is an error in movie 3. In problem 2, change the + sign in the numerator on the right side of the equation to a - sign. |