What is the integral from 0 to 0.8 of cos(x) ?

The integral from 0 to 0.8 of cos(x) is 0.71735…

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integral from 0 to 0.8 of cos(x)

\int_{0}^{0.8} cos (x) d x

0.71735 \dots

Solution steps

\int_{0}^{0.8} cos (x) d x

Use the common integral:

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

= [sin (x)]_{0}^{0.8}

Compute the boundaries:

0.71735 \dots

= 0.71735 \dots

What is the integral from 0 to 0.8 of cos(x) ?
The integral from 0 to 0.8 of cos(x) is 0.71735…