# How do you solve #\tan ^ { 2} x - 4\tan x + 1= 0#?

##### 1 Answer

Write your answer here...

Start with a one sentence answer

Then teach the underlying concepts

Don't copy without citing sources

preview

?

#### Answer

Write a one sentence answer...

#### Answer:

#### Explanation

Explain in detail...

#### Explanation:

I want someone to double check my answer

Somebody N.
Share

Feb 9, 2018

#### Answer:

#### Explanation:

Let

Then:

Using **Quadratic Formula:**

For:

Was this helpful? Let the contributor know!

Describe your changes (optional) 200