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The integral of a function times a constant ($-1$) is equal to the constant times the integral of the function
Learn how to solve trigonometric integrals problems step by step online.
$-\int\cos\left(x\right)dx$
Learn how to solve trigonometric integrals problems step by step online. Solve the trigonometric integral int(-cos(x))dx. The integral of a function times a constant (-1) is equal to the constant times the integral of the function. Apply the integral of the cosine function: \int\cos(x)dx=\sin(x). As the integral that we are solving is an indefinite integral, when we finish integrating we must add the constant of integration C.