sin - x高次方公式
來源:魅力女性吧 2.18W
In=∫sin^nxdx=∫sin^(n-1)
x sinxdx=-∫sin^(n-1)
x dcosx=-cosxsin^(n-1)x+∫cosxdsin^(n-1)x=-cosxsin^(n-1)x+(n-1)∫cosxsin^(n-2)
xcosxdx=-cosxsin^(n-1)x+(n-1)∫cos²xsin^(n-2)xdx=-cosxsin^(n-1)x+(n-1)...
In=∫sin^nxdx=∫sin^(n-1)
x sinxdx=-∫sin^(n-1)
x dcosx=-cosxsin^(n-1)x+∫cosxdsin^(n-1)x=-cosxsin^(n-1)x+(n-1)∫cosxsin^(n-2)
xcosxdx=-cosxsin^(n-1)x+(n-1)∫cos²xsin^(n-2)xdx=-cosxsin^(n-1)x+(n-1)...