?_{-?/4}^{?/4} [(?sin t)i + (1 + ?cos t)j + (sec² t)k] dt = ?
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Step 1: Integrate sin(t) with respect to t from -pi/4 to pi/4: ∫sin(t) dt = -cos(t) evaluated from -pi/4 to pi/4 = -cos(pi/4) - (-cos(-pi/4)) = -cos(pi/4) + cos(pi/4) = 0 Show more…
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