Evaluate ∫(Lo+3d^2) dt where C is the semicircle -π/2 ≤ t ≤ π/2.
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First, we need to find the length of the semicircle C. We know that the equation of the semicircle is x^2 + y^2 = r^2, where r is the radius. Since the semicircle is centered at the origin, we can simplify the equation to y = sqrt(r^2 - x^2). We also know that the Show more…
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