Question

How many possible values for y are there where y = cos^-1 0 ?

Answer 1

Is it one or infinite?

Answer 2

when does cos(a) = 0?

Answer 3

infinite if there is no restriction on domain

Answer 4

https://www.google.com/search?q=y+%3D+arccos+x&oq=y+%3D+arccos+x&aqs=chrome.0.69i57j0l3j69i62l2.7189j0&sourceid=chrome&ie=UTF-8

Answer 5

^assuming it's a function.

Answer 6

\[cos^{-1}(0):~\text{only outputs 1 value}\]

Answer 7

y = cos^-1 (0)

Answer 8

Find where x=0 on that graph.