$int_{frac{pi}{4}}^{frac{pi}{2}} (sin^2x - cos^2x)dx = ? $
Added by -Ngeles E.
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Step 1
Step 1: Use the property that cos^2(x) - sin^2(x) = cos(2x) to rewrite the integral as ∫(cos(2x)) dx from pi/4 to pi/2. Show more…
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