Question

Use the unit circle to find the inverse function value in degrees.

tan^-1 sqrt of 3

A. 120 degrees
B. 90 degrees
C. 60 degrees
D. 30 degrees

Answer 1

Using the unit circle:
tan^(-1) (√3 ) = π/ 3 = 60° ( because tan 60° = √3)
Answer : C ) 60 degrees