What is the integral of 1/(sqrt(e^{2θ)-1)} ?

The integral of 1/(sqrt(e^{2θ)-1)} is arctan(sqrt(e^{2θ)-1})+C

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integral of 1/(sqrt(e^{2θ)-1)}

\int \frac{1}{e ^{2 θ} - 1} d θ

arctan (e^{2 θ} - 1) + C

Solution steps

\int \frac{1}{e ^{2 θ} - 1} d θ

Apply u-substitution

: \int \frac{1}{u ^{2} + 1} d u

= \int \frac{1}{u ^{2} + 1} d u

Use the common integral:

\int \frac{1}{u ^{2} + 1} d u = arctan (u)

= arctan (u)

Substitute back

u = e^{2 θ} - 1

= arctan (e^{2 θ} - 1)

Add a constant to the solution

= arctan (e^{2 θ} - 1) + C

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What is the integral of 1/(sqrt(e^{2θ)-1)} ?
The integral of 1/(sqrt(e^{2θ)-1)} is arctan(sqrt(e^{2θ)-1})+C