i dont understand how the antiderviative of 2 sin (2x) could be -cos(2x), what happens to the 2?(adsbygoogle = window.adsbygoogle || []).push({});

also how can the antiderivative of 5e^(5t) be e^(5t)?

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# Homework Help: I dont understand how antiderviative of 2 sin (2x) could be -cos(2x)

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