New: dtube-trigonometry

masterwu (59)in dtube • 7 years ago
DTube: Integral of ∫cos^3(x)dx
In this video, I work through the steps to solving the integral of cos3(x) or [cos(x)]3. Note that because cos(x) is a function of x, not a mere polynomial, we can't just use the power formula as…
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DTube: Integral of ∫cos^3(x)dx