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In this section, we used the product-to-sum formulas to write sums and differences of trigonometric functions. Another type of expression involving the sum or difference of sine and cosine terms is a Fourier series named after Jean-Baptiste Joseph Fourier (1768-1830). A Fourier series is an expression of the form
A “saw-tooth" wave is a periodic wave that rises linearly upward and then drops sharply. In music, such waves are generated in digital synthesizers to give high-quality sound without distortion. Given,
a. Graph the first three terms of the function on the window
b. Graph the first five terms of the function on the window
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Chapter 5 Solutions
Precalculus
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- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage