What is the integral of csc(pix-1) ?

The integral of csc(pix-1) is 1/pi ln|tan((pix-1)/2)|+C

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integral of csc(pix-1)

\int csc (π x - 1) d x

\frac{1}{π} ln tan (\frac{π x - 1}{2}) + C

Solution steps

\int csc (π x - 1) d x

Apply u-substitution

: \int csc (u) \frac{1}{π} d u

= \int csc (u) \frac{1}{π} d u

Take the constant out:

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

= \frac{1}{π} \cdot \int csc (u) d u

Apply u-substitution

: \int \frac{1}{v} d v

= \frac{1}{π} \cdot \int \frac{1}{v} d v

Use the common integral:

\int \frac{1}{v} d v = ln (∣ v ∣)

= \frac{1}{π} ln ∣ v ∣

Substitute back

= \frac{1}{π} ln tan (\frac{π x - 1}{2})

Add a constant to the solution

= \frac{1}{π} ln tan (\frac{π x - 1}{2}) + C

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What is the integral of csc(pix-1) ?
The integral of csc(pix-1) is 1/pi ln|tan((pix-1)/2)|+C