Pre-Calc Homework Solutions 310

Pre calc homework solutions 310

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Unformatted text preview: 310 Section 7.4 s Section 7.4 Lengths of Curves (pp. 395401) Quick Review 7.4 1. 1 2. 1 3. 1 1 2x x or x x x2 1. x2 4 3. (a) x (b) cos y, so Length 0 1 cos2 y dy. (1 x)2, which, since x x 2 , which, since x 2 1, equals [ 1, 2] by [ 1, 4] 1 2, equals 4. (a) x x 2 4)2 x2 2 x x or . 2 2 (c) Length , Length (b) 3.820 y(1 y 2) 1/2 1/2 1/2 1 (tan x)2 equals sec x. 1 since x x 4 1 2 x (sec x)2, which, since 0 , so y2 1 y2 1 dy. 4. 1 2 x2 4x 4 1 2 x 16 1 x2 1 4 (x 2 which, 0, equals cos 2x 2 cos x. . x , [ 1, 2] by [ 1, 1] 5....
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This note was uploaded on 10/05/2011 for the course MAC 1147 taught by Professor German during the Spring '08 term at University of Florida.

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