What is the integral from 0 to pi/(10) of tan(5x) ?

The integral from 0 to pi/(10) of tan(5x) is diverges

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integral from 0 to pi/(10) of tan(5x)

\int_{0}^{\frac{π}{10}} tan (5 x) d x

diverges

Solution steps

\int_{0}^{\frac{π}{10}} tan (5 x) d x

Rewrite using trig identities

= \int_{0}^{\frac{π}{10}} \frac{sin ( 5 x )}{cos ( 5 x )} d x

Apply u-substitution

: \int_{1}^{0} - \frac{1}{5 u} d u

= \int_{1}^{0} - \frac{1}{5 u} d u

\int_{a}^{b} f (x) d x = - \int_{b}^{a} f (x) d x, a < b

= - \int_{0}^{1} - \frac{1}{5 u} d u

Take the constant out:

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

= - (- \frac{1}{5} \cdot \int_{0}^{1} \frac{1}{u} d u)

Use the common integral:

\int \frac{1}{u} d u = ln (∣ u ∣)

= - (- \frac{1}{5} [ln ∣ u ∣]_{0}^{1})

Simplify

= \frac{1}{5} [ln ∣ u ∣]_{0}^{1}

Compute the boundaries:

diverges

= diverges

\int \frac{5 - 10 x ^{2}}{4 x ^{3} - 6 x + 15} d x

- x^{2} - x + 9, - 0.75 x + 6, x = 0

\frac{\partial}{\partial x} (x^{2} y^{3} z)

\int \frac{1}{x + x ln ( x )} d x

What is the integral from 0 to pi/(10) of tan(5x) ?
The integral from 0 to pi/(10) of tan(5x) is diverges