(Steps Shown) Let V be the vector space of all functions from the closed interval [-π, π] to R, and let W be the subspace spanned by the functions cos


Question: Let \(V\) be the vector space of all functions from the closed interval \([-\pi, \pi]\) to \(\mathbb{R}\), and let \(W\) be the subspace spanned by the functions \(\cos x, \sin x\), and the constant function 1 . Consider the function \(T: W \rightarrow \mathbb{R}\) defined by

\[T(f)=\int_{-\pi}^{\pi} f(x) d x\]

Check that \(T\) a linear transformation. What is the dimension of \(W\) ? What is the dimension of the kernel of \(T\) ? Find a basis for the kernel of \(T\).

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