# Math Help - Equation involving both trigonometric and algebraic functions

1. ## Equation involving both trigonometric and algebraic functions

How can one solve equations like this?
$(x+1)(tanx) = -1$

2. ## Re: Equation involving both trigonometric and algebraic functions

With a numerical method - I'd write the equation as $f(x) = (x+1)\tan(x) + 1 =0$ and look for where f(x) changes sign.

3. ## Re: Equation involving both trigonometric and algebraic functions

Originally Posted by zhangvict
How can one solve equations like this?
$(x+1)(tanx) = -1$
Using CAS technology or applying a numerical method or using a graphical approach.