What is the integral of cos(x)(-sin(x)) ?

The integral of cos(x)(-sin(x)) is (cos^2(x))/2+C

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integral of cos(x)(-sin(x))

\int cos (x) (- sin (x)) d x

\frac{cos ^{2} ( x )}{2} + C

Solution steps

\int cos (x) (- sin (x)) d x

Apply u-substitution

: \int u d u

= \int u d u

Apply the Power Rule

: \frac{u ^{2}}{2}

= \frac{u ^{2}}{2}

Substitute back

u = cos (x)

= \frac{cos ^{2} ( x )}{2}

Add a constant to the solution

= \frac{cos ^{2} ( x )}{2} + C

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