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Lily Rahmawati
Student XI IPA
Jika f(x) = ſcos xdx dan g(x) = xf'(x), maka T A. sin+x=(x-)in 2x X- B. sinᵒ x - xsin 2x C. sin+ x + 2(x - ) sinx D. sin? x + x sin 2x E sin+ sh*x*(x-in2x + 2
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VoltaatloV
Student GAP YEAR
S dx d a Tx d. fLx) f(x) = 6 cosa x (- die ( x, cosx. dx) f'(x) = cost cos²x da 
>cos2x 2 - + f(x) = ( cosx. dx 2. Cos²x-1 cosa= cos2x+ S COSEXH! dx 1 (cos2x+1) dx - 1/2 [ {cos 2x dx +f1-dx 1/4 [ sime + x C x] sin 2x+ 2x 1 f(x) = sin 2x +2% ->f'(x)=d. fcx) 4 и u'. v. v. u } V! (0) V=0 Wkro-og ? (4) 2 8 (cos2x+1) COS2x41 Ne 2 atau cos2xH a cas²x dx u= sinax + 2x u = cos ax. 2+2 V = 4 ze f(x) = 2(cos2x+1)-4-0. (Sin2x+2x) 2 - gux)= x f'(x)=x. cos²x g'ex)= U' V. + VIU A ux , V= cost V-2. cosxfsinx) - 1. cas²x - 2. sinx.cost. carx - x - sinax g'(x-90°) = [cos (7-901]? sinz(x400).30 o (sin xß-(-sin 2x). (7-907 sin²x + (x-7). sinax
S dx d a Tx d. fLx) f(x) = 6 cosa x (- die ( x, cosx. dx) f'(x) = cost cos²x da 
>cos2x 2 - + f(x) = ( cosx. dx 2. Cos²x-1 cosa= cos2x+ S COSEXH! dx 1 (cos2x+1) dx - 1/2 [ {cos 2x dx +f1-dx 1/4 [ sime + x C x] sin 2x+ 2x 1 f(x) = sin 2x +2% ->f'(x)=d. fcx) 4 и u'. v. v. u } V! (0) V=0 Wkro-og ? (4) 2 8 (cos2x+1) COS2x41 Ne 2 atau cos2xH a cas²x dx u= sinax + 2x u = cos ax. 2+2 V = 4 ze f(x) = 2(cos2x+1)-4-0. (Sin2x+2x) 2 - gux)= x f'(x)=x. cos²x g'ex)= U' V. + VIU A ux , V= cost V-2. cosxfsinx) - 1. cas²x - 2. sinx.cost. carx - x - sinax g'(x-90°) = [cos (7-901]? sinz(x400).30 o (sin xß-(-sin 2x). (7-907 sin²x + (x-7). sinax
3 tahun yang lalu