How do you get the exact value of csc1(2)?

1 Answer
Aug 8, 2015

csc1(2)=π6 or 5π6

Explanation:

csc1(2)
XXXX=sin1(12)

XXXX=arcsin(12)

arcsin(12)=θ means sin(θ)=12

If sin(θ)=12 (within the range θ[0,2π])
then
XXXXθ=π6XXXXorXXXXθ=5π6
(This is one of the standard angles)