What is the integral from 0 to pi/3 of (3sec^2(x)) ?

The integral from 0 to pi/3 of (3sec^2(x)) is 3sqrt(3)

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integral from 0 to pi/3 of (3sec^2(x))

\int_{0}^{\frac{π}{3}} (3 sec^{2} (x)) d x

33

Decimal

5.19615 \dots

Solution steps

\int_{0}^{\frac{π}{3}} 3 sec^{2} (x) d x

Take the constant out:

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

= 3 \cdot \int_{0}^{\frac{π}{3}} sec^{2} (x) d x

Use the common integral:

\int sec^{2} (x) d x = tan (x)

= 3 [tan (x)]_{0}^{\frac{π}{3}}

Compute the boundaries:

3

= 33

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What is the integral from 0 to pi/3 of (3sec^2(x)) ?
The integral from 0 to pi/3 of (3sec^2(x)) is 3sqrt(3)