What is the integral of sin^2(x)sin^2(x) ?

The integral of sin^2(x)sin^2(x) is -1/4 sin^3(x)cos(x)+3/8 (x-1/2 sin(2x))+C

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integral of sin^2(x)sin^2(x)

\int sin^{2} (x) sin^{2} (x) d x

- \frac{1}{4} sin^{3} (x) cos (x) + \frac{3}{8} (x - \frac{1}{2} sin (2 x)) + C

Solution steps

\int sin^{2} (x) sin^{2} (x) d x

Simplify

sin^{2} (x) sin^{2} (x) : sin^{4} (x)

= \int sin^{4} (x) d x

Apply Integral Reduction

= - \frac{cos ( x ) sin ^{3} ( x )}{4} + \frac{3}{4} \cdot \int sin^{2} (x) d x

\int sin^{2} (x) d x = \frac{1}{2} (x - \frac{1}{2} sin (2 x))

= - \frac{cos ( x ) sin ^{3} ( x )}{4} + \frac{3}{4} \cdot \frac{1}{2} (x - \frac{1}{2} sin (2 x))

Simplify

- \frac{cos ( x ) sin ^{3} ( x )}{4} + \frac{3}{4} \cdot \frac{1}{2} (x - \frac{1}{2} sin (2 x)) : - \frac{1}{4} sin^{3} (x) cos (x) + \frac{3}{8} (x - \frac{1}{2} sin (2 x))

= - \frac{1}{4} sin^{3} (x) cos (x) + \frac{3}{8} (x - \frac{1}{2} sin (2 x))

Add a constant to the solution

= - \frac{1}{4} sin^{3} (x) cos (x) + \frac{3}{8} (x - \frac{1}{2} sin (2 x)) + C

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What is the integral of sin^2(x)sin^2(x) ?
The integral of sin^2(x)sin^2(x) is -1/4 sin^3(x)cos(x)+3/8 (x-1/2 sin(2x))+C