-π/3 ∫(sin x+cos x)dx=? -π/4
定积分∫(-π/2,π/2)(cos^4x+sin^3x)dx=
证明∫( 0,π/2 ) (f sin x/(f sin x+f cos x) dx=π /4
∫ sin^4(x)cos^3(x)dx
∫sin^3(x)cos^2(x)dx=
求定积分!∫上10π下为0 (sin^3x)/(cos^4x+sin^2x) dx=?
∫sin(x) cos^2(x)dx
证明∫(0,π/2)sin^m x dx=∫(0,π/2)cos^m x dx
求∫1/(sin^4x+cos^4x)dx,
∫sin^(3)x cos^(3)x dx
求微积分 ∫sin^2(x)cos^4(x) dx
∫[1/(sin^2(x)cos^4(x)]dx
∫dx/cos^2X+4sin^2X