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Universidade Tecnolo´gica Federal do Parana´ UTFPR — Campus Pato Branco Lista 05 - Integrais: Poteˆncias trigonome´tricas 1. Resolva as seguintes integrais: (a) ∫ sen3x cos2xdx (b) ∫ 3pi 4 pi 2 sen5x cos3xdx (c) ∫ sen2(pix) cos5(pix)dx (d) ∫ pi 2 0 cos2θdθ (e) ∫ cos4tdt (f) ∫ (1 + cosθ)2dθ (g) ∫ pi 2 0 sen2x cos2xdx (h) ∫ cos2x tg3xdx (i) ∫ sec2x tg xdx (j) ∫ tg2xdx (k) ∫ sec6xdx (l) ∫ pi 3 0 tg5x sec4xdx (m) ∫ tg3x sec xdx (n) ∫ sen 8x cos 5x dx (o) ∫ cos 7x cos 5x dx 1 Respostas!! 1. (a) 1 5 cos5x− 1 3 cos3x+ k (b) − 11 384 (c) 1 3pi sen3(pix)− 2 5pi sen5(pix) + 1 7pi sen7(pix) + k (d) pi 4 (e) 3 8 t+ 1 4 sen(2t) + 1 32 sen(4t) + k (f) 3 2 θ + 2senθ + 1 4 sen(2θ) + k (g) pi 16 (h) 1 2 cos2x− ln |cos x|+ k (i) 1 2 tg2x+ k (j) tg x− x+ k (k) 1 5 tg5 t+ 2 3 tg3 t+ tg t+ k (l) 117 8 (m) 1 3 sec3 x− sec x+ k (n) −1 6 cos 3x− 1 26 cos 13x+ k (o) 1 4 cos 2x+ 1 24 cos 12x+ k Lista elaborada pelas Professoras Dr. Dayse Ferreira Batistus e Ms. Marieli Musial Tume- lero Digitac¸a˜o: Ms. Marieli Musial Tumelero Configurac¸o˜es: Professora Ms. Marieli Musial Tumelero 2
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