What is the integral of sin(7pit) ?

The integral of sin(7pit) is -1/(7pi)cos(7pit)+C

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integral of sin(7pit)

\int sin (7 π t) d t

- \frac{1}{7 π} cos (7 π t) + C

Solution steps

\int sin (7 π t) d t

Apply u-substitution

: \int sin (u) \frac{1}{7 π} d u

= \int sin (u) \frac{1}{7 π} d u

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= \frac{1}{7 π} \cdot \int sin (u) d u

Use the common integral:

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

= \frac{1}{7 π} (- cos (u))

Substitute back

u = 7 π t

= \frac{1}{7 π} (- cos (7 π t))

Simplify

= - \frac{1}{7 π} cos (7 π t)

Add a constant to the solution

= - \frac{1}{7 π} cos (7 π t) + C

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\frac{d}{d x} (csc (x) + cot (x))

\frac{ln ( x )}{5 x ^{3}}

(4 x^{3} y^{2} - 6 x^{2} y - 2 x - 3) d x + (2 x^{4} y - 2 x^{3}) d y = 0

What is the integral of sin(7pit) ?
The integral of sin(7pit) is -1/(7pi)cos(7pit)+C