fraccot{theta}csc{theta} = costheta

常见问题解答

• $$\text{求解 }\theta$$ \(\frac{\cot{\theta}}{\csc{\theta}} = \cos{\theta}\)

  

  $$\theta \ne k\pi ,k\in \mathbb{Z}$$

• 核实 \(\frac{\cot{\theta}}{\csc{\theta}} = \cos{\theta}\)

  

  $$\text{真的}$$