What is the integral from 0.1pi to 0.3pi of sin(x) ?

The integral from 0.1pi to 0.3pi of sin(x) is 0.36327…

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integral from 0.1pi to 0.3pi of sin(x)

\int_{0.1 π}^{0.3 π} sin (x) d x

0.36327 \dots

Solution steps

\int_{0.1 π}^{0.3 π} sin (x) d x

Use the common integral:

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

= [- cos (x)]_{0.1 π}^{0.3 π}

Simplify

= [- cos (x)]_{0.31415 \dots}^{0.3 π}

Compute the boundaries:

0.36327 \dots

= 0.36327 \dots

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What is the integral from 0.1pi to 0.3pi of sin(x) ?
The integral from 0.1pi to 0.3pi of sin(x) is 0.36327…