y=-tan(x)

Frequently Asked Questions

• Find the inverse of $y=-\tan \left(x\right)$

  

  $$f^{-1}\left(x\right)=\arctan \left(-x\right)$$

• Evaluate the derivative of $y=-\tan \left(x\right)$

  

  $$y^{\prime }=-{\sec }^2\left(x\right)$$

• Find the domain of $y=-\tan \left(x\right)$

  

  $$x\ne \frac{\pi }{2}+k\pi ,k\in \mathbb{Z}$$

• $\text{Find the }x\text{-intercept/zero}$ of $y=-\tan \left(x\right)$

  

  $$x=k\pi ,k\in \mathbb{Z}$$

• Find the y-intercept of $y=-\tan \left(x\right)$

  

  $$y=0$$

• Determine the period of $y=-\tan \left(x\right)$

  

  $$\pi$$

• $\text{Solve for }x$ of $y=-\tan \left(x\right)$

  

  $$x=\arctan \left(-y\right)+k\pi ,k\in \mathbb{Z}$$