fraccos^{3(a)-sin^3(a)}1+sin(a)cos(a)

常见问题解答

• 解决方案 $\frac{{\cos }^3\left(a\right)-{\sin }^3\left(a\right)}{1+\sin \left(a\right)\cos \left(a\right)}$

  

  $$\cos \left(a\right)-\sin \left(a\right)$$