The Let s1(t) and s2(t) be defined below:

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The Let s1(t) and s2(t) be defined below:

The Let s₁(t) and s₂(t) be defined below:

(a) Find an orthonormal basis for S= span{s₁(t) and s2(t)}.

(b) If y₁(t) = 1, find and sketch ý₁(t), the projection of y₁(t) onto S.

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