Question 606196: trigonometry equations
please help me solve this
3tan^2x+4tanx-4=0
Answer by mathie123(224)   (Show Source):
You can put this solution on YOUR website! This is just a quadratic with a twist. (I will help you get started, however you will have to try it yourself to get the answer)
Instead of x in our polynomial we have tanx.
We have dealt with solving for x in quadratics before (If you have been given this question- I hope you have- if not check out factoring/quadratic equations)
Instead of solving for x however you are solving for tanx
And finally, once you have solved for tanx, you have tools to solve for x (tan inverse, or perhaps a special triangle).
Try it out and see if this puts you on the right track if you are still confused let me know:)
|
|
|
