# How do you evaluate #arctan(2)#?

##### 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

Nghi N.
Share

Feb 6, 2017

#### Answer:

#### Explanation:

Use calculator and unit circle

tan x = 2 --> calculator --> arc

Unit circle gives another arc x that has the same tan value:

Answers for (0, 360):

General answers:

Was this helpful? Let the contributor know!

Describe your changes (optional) 200