Question

How do you evaluate arccsc 2?

Answer 1

csc x = 1 / sin x
arc csc 2 is the same as:
1/ sin x = 2
sin x = 1 : 2
sin x = 1/2
sin 30° = 1/2 or sin (π/6) = 1/2
Answer:
x = 30° or x = π/6.