How would you find the anti derivative of (5sin(2x))/cos(x)?
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Expand sin(2x) first, then simplify
5 * sin(2x) * dx / cos(x) =>
5 * 2 * sin(x) * cos(x) * dx / cos(x) =>
10 * sin(x) * dx
Integrate
-10 * cos(x) + C
5 * sin(2x) * dx / cos(x) =>
5 * 2 * sin(x) * cos(x) * dx / cos(x) =>
10 * sin(x) * dx
Integrate
-10 * cos(x) + C