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#17 and #21
17) r= ( 2 cosht cos 0,3 cosht sin o, sinht) (hyperboloid) 18. r= ( 2 cosht cos , sinht, 3 cosht sin o ) (hyperboloid) a ) (h


Surface Area In Exercises 23-42, compute the surface area of the surface S parametrized by r :D → R3, with D = [a, b] > [c, d


Standard Tangent and Normal Vectors In Exercises 1-22, for the surface S parametrized by r: D → R3, find the standard tangent
0 0
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Answer #1

formula cuisha - Sin?hax=1 di sinha)= cosha xp d (asha) = sinha daIf ra 2 cosht cosø, 3 osht sind, sinht) Yt =< 2 Sinht coop, 3 sinhtsin, cash t) tro % - 2 coohtsind, 3 cocht cooo, o) 11 n=reA 8 = < 20 Cosbu, 34 Sinhv, 42) HILDUR fru= Lecophu, 3 sinhu, 247 gv = ( 2 u Sinhv, 34 Gishu, o) n= ruxou 64L 1 on n= 24 e co

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#17 and #21 17) r= ( 2 cosht cos 0,3 cosht sin o, sinht) (hyperboloid) 18....
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