Pre-Calc Homework Solutions 352

Pre-Calc Homework Solutions 352 - 352 Section 8.4 sec 2 1...

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Unformatted text preview: 352 Section 8.4 sec 2 1 38. x x2 tan , dx 1 dx x2 x2 1 d , sec 2 2 2 40. x x 2 sec , dx 1 2 dx x3 x2 1 sec 2 tan tan d ,0 2 2 tan 2 sec 1 sec 2 d tan 2 sec sec d tan 2 cos sin 2 2 sec tan d sec 3 tan 2d sec 2 2 cos 2 1 2 1 d d C C C d cos 2 1 sin 2 2 (sin ) (sin ) csc 1 x cos C d sin C x2 cos C 1 to get 41. z 4 sin , dz z2 16 z 4 cos sec sec 1 x x 1 Use Figure 8.18(a) from the text with a csc 39. x 1 1 x x2 x2 1 1 x x x2 1 C x2 . d , cos 2 3 4 cos 16 sin 2 d ,0 16 cos 2 2 sin , dx x2 x 3 dx 1 x2 cos sin 2 sin 2 2 16 16 z2 1 dz cos cos d (4 cos ) d 4 sin sin 3 (1 cos cos 1 x2 d cos 2 4 cos 2 sin d d 4 sin ) d cot 16 z 16 z z2 z2 ) sin d C C x ) 2 4 1 cos 3 3 4 sin2 sin (4 csc 4 ln csc C C 1 4 ln 4 ln 4 z 4 1 x 1 3 2 1 cos 2 3 4 cos 4 16 4 C z2 1 x2 1 (1 3 2 C C 1 x2 3 16 1 and x z2 Use Figure 18.8(b) from the text with a to get 1 x2 cos . Use Formula 89 with a from the text with a csc 42. w 4 4 , cot z . Use Figure 8.18(b) 4 to get 16 z z2 and cos 16 4 2 z2 . 2 sin , dw w2 8 dw w2 4 w2 2 cos d , 4 cos 2 2 4 4 sin 2 8(2 cos ) d 4 sin 2 2 cos 2 csc 2 2 cot 2 4 w d C w 2 C 2 and x w to Use Figure 8.18(b) from the text with a get cot 4 w w 2 . ...
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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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