\(\large\int k d x=kx+C\) \(\large\int x^a dx=\frac{x^{\alpha+1}}{\alpha+1}+C\) \(\large ...

目录 第一类换元法 例1.$$\int\frac{\cos2x-sin x}{\cos x(1+\cos x e{sin\ x})}$$ 1.$$\in ...