MCQOPTIONS
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MCQOPTIONS
| 1. |
The Fourier cosine series for an even function f(x) is given by\(f(x) = {a_0} + \sum\limits_{n = 1}^\infty {{a_n}\cos (nx)} \)The value of the coefficient a2 for the function f(x) = cos2(x) in [0,π] is |
| A. | -0.5 |
| B. | 0 |
| C. | 0.5 |
| D. | 1 |
| Answer» D. 1 | |