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Learn how to solve definite integrals problems step by step online.
$\int_{\frac{\pi}{2}}^{\pi }\sin\left(4x\right)dx$
Learn how to solve definite integrals problems step by step online. Integrate the function sin(4x) from pi/2 to pi. Simplifying. We can solve the integral \int\sin\left(4x\right)dx by applying integration by parts method to calculate the integral of the product of two functions, using the following formula. First, identify u and calculate du. Now, identify dv and calculate v.