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chapter 1 32 - 32 D CHAPTER1 FUNCTIONSAND MODELS 15 flat 2...

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Unformatted text preview: 32 D CHAPTER1 FUNCTIONSAND MODELS 15. flat) 2 sin(a:/40) 15 16. f(z) : tan(25m) . 3 4 4 - _ 0 3 5 0 5 13. y : x2 + 0.02 sin(50m) 4 0.25 '2 2 ‘0 5 —!i:— 0 5 —0.5 70.025 19. We must solve the given equation for y to obtain equations for the upper and lower halves of the ellipse. 1 — 4 2 4m2+2y221 41> 2y221—4m2 4:) y2= 2“: 1—4952 2 4:; y=i 1 —1 20.y2#9m2=1 c» y2=1+9m2 4:» y=i\/1+9$2 ‘4' 2“2 —4 ...
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