integral of cos 5x

integral of cos 5x

Integral of cos 5x: A Step-by-Step Guide for 2026

You’re probably looking at ∫cos(5x) dx on a homework page and thinking it should be simple because it’s “just cosine,” but that 5x inside the parentheses changes the move you need to make. That reaction is normal. Trig integrals often look familiar right up until a coefficient