What is the integral of sin(t)*t ?

The integral of sin(t)*t is -tcos(t)+sin(t)+C

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integral of sin(t)*t

\int sin (t) \cdot t d t

- t cos (t) + sin (t) + C

Solution steps

\int sin (t) t d t

Apply Integration By Parts

: - t cos (t) - \int - cos (t) d t

= - t cos (t) - \int - cos (t) d t

\int - cos (t) d t = - sin (t)

= - t cos (t) - (- sin (t))

Simplify

= - t cos (t) + sin (t)

Add a constant to the solution

= - t cos (t) + sin (t) + C

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What is the integral of sin(t)*t ?
The integral of sin(t)*t is -tcos(t)+sin(t)+C