WHAT'S THE ANGLE OF TAN^1(4)???

[speshguy]

I don't know how to find the exact value of this inverse

 

[Deleted member 4993]

I don't know how to find the exact value of this inverse

Can you please re-write your question? As written, it does NOT make sense to me.

 

[The Highlander]

I don't know how to find the exact value of this inverse

Did you mean: "WHAT'S THE ANGLE OF TAN^-1(4)???", ie: arctan(4)?
If so, there's no "exact value" for this that I am aware of. (tan^-1(4) ≈ 75.96.)

 

[Steven G]

Well to be truthful, the exact angle is tan^-1(4) or arctan(4)