Question

Find the exact value of the expression

sec[sin^-1((-sqrt2)/2)]

Answer 1

\[\sec [\sin^{-1} ((-\sqrt{2})/2)]\]

Answer 2

Is it "no solution" because you can not determine the x value

Answer 3

and/or because you can not determine which quadrant the expression lies.

Answer 4

or is the answer \[\sqrt{2}\]