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SCAN0018 - Math 1190 Practice Quiz(Section 3.4...

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Unformatted text preview: Math 1190 Practice Quiz (Section 3.4) Differentiate 1. f (x) xzsinx 2' y tanx 1 secx . . d . 3. Provethat Ex-secx secxtanx,g1venthat —smx cosxandacosx smx 4. Find an equation of the tangent line to the curve at the given point. Use Maple to verify your answer, i.e., check the derivative and graph the fimction and the tangent line. y x3 cosx at the point (225,0) 5. Let f(x) x sinx 0 5 x 8 211. On what interval isfconcave upward (f"(x) ! 0)? PDF created with pdfFactory trial version www.9dffactorycom ...
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