Inverse trig functions: arctan | Trigonometry | Khan Academy
Evaluating Inverse Trigonometric Functions
(n+1)tan[arctan(n)-arctan(1)]=(n-1) by p.stefanides
INVERSE TRIG FUNCTIONS: SIN^-1, COS^-1, TAN^-1, ARCSIN, ARCCOS, ARCTAN
Calculus 1: Limits & Derivatives (25 of 27) Finding the Limits of a Function - Example 12
tan^-1[tan(4pi/5)]
How to use the inverse tangent without a calculator
Calculus, derivative of inverse tangent
tan^-1[tan(-2pi/3)]
(n+1)tan[arctan(n)-arctan(1)]=(n-1) PSTEFANIDES
The value of `tan^(-1)tan(-6)`is
Inverse Laplace Transform of arctan(1/s), Sect 7.4#36
11 - Learn ArcSin, ArcCos & ArcTan (Inverse Sin, Cos & Tan) - Part 1
