Question

Find the exact value of sin-1 square root of two divided by two.

Answer 1

45 degrees

Answer 2

Just plug \[\sin^{-1} \frac{ \sqrt{2} }{ 2 } \] into your calculator and you should be able to find the exact answer! :)

Answer 3

It won't let me do that, and 45 isn't one of my answers :(

Answer 4

is the equation above the right one that you have to solve?

Answer 5

Oh! it needs it in radians okay so go to this website: http://www.dudefree.com/Student_Tools/materials/precalc/unit-circle.php

and you see that next to 45 degrees there is pi/4 so that is your answer :)