Trig Integrals

What's the corresponding indefinite integral?

• sin x dx = - cos x + C

• sin x dx = cos x + C

• sec^2 x dx = tanx + C

• secx tanx dx = secx + C

What does Sin^2 x + Cos^2 x equal to?

∫cos(x) dx =

• sin(x) + C

• -sin(x) + C

• cos(x) + C

• -cos(x) + C

∫sec^2(x) dx =

• tan(x) + C

• cot(x) + C

• sec(x) + C

• csc(x) + C

∫2sin(3x) dx =

• 2sin(3x) + C

• -cos(3x) + C

• -2cos(3x) + C

• -2/3cos(3x) + C

∫e^x cos(x) dx =

• e^x sin(x) + C

• e^x cos(x) + C

• e^x (sin(x) + cos(x)) + C

• e^x (sin(x) - cos(x)) + C

∫2x^3 sin(x^2) dx =

• x^2 cos(x^2) + C

• 2x^2 cos(x^2) + C

• -x^2 cos(x^2) + C

• -2x^2 cos(x^2) + C

∫(x^2 cos(2x)) dx =

• (x^2/2)sin(2x) + (1/2)∫sin(2x) dx

• (x^2/2)sin(2x) - ∫x sin(2x) dx

• (x^2/2)sin(2x) + (1/4)∫sin(4x) dx

• (x^2/2)sin(2x) - (1/4)∫sin(4x) dx

∫(x^3 / (1 + x^4)) dx =

• (1/2)tan^(-1)(x^2) + C

• (1/4)ln(1 + x^4) + C

• (1/4)ln(1 + x^4) - (1/2)tan^(-1)(x^2) + C

• (1/2)ln(1 + x^4) + C

∫(3x^2) dx =