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

Frequently Asked Questions

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

  

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