Final Answer
$2r$
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Step-by-step Solution
Problem to solve:
$\int_{0}^{\pi } r\cdot\sin\left(x\right)dx$
Specify the solving method
1
The integral of a constant times a function is equal to the constant multiplied by the integral of the function
$r\int_{0}^{\pi }\sin\left(x\right)dx$
Learn how to solve definite integrals problems step by step online.
$r\int_{0}^{\pi }\sin\left(x\right)dx$
Learn how to solve definite integrals problems step by step online. Integrate the function rsin(x) from 0 to pi. The integral of a constant times a function is equal to the constant multiplied by the integral of the function. Apply the integral of the sine function: \int\sin(x)dx=-\cos(x). Evaluate the definite integral. Simplifying.
Final Answer
$2r$