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The cosine of $120$ equals $-\frac{1}{2}$
Learn how to solve integrals of exponential functions problems step by step online.
$\int-\frac{1}{2}e^{5x}xdx$
Learn how to solve integrals of exponential functions problems step by step online. Find the integral int(e^(5x)cos(120)x)dx. The cosine of 120 equals -\frac{1}{2}. The integral of a function times a constant (-\frac{1}{2}) is equal to the constant times the integral of the function. We can solve the integral \int e^{5x}xdx 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.