Find the exact value of the real number y if it exists. Do not use a calculator.
√√3
y = cos
Select the correct answer below and, if necessary, fill in the answer box to complete your choice.
OA.
B.
√√3
y = cos
(Simplify your answer. Type an exact answer, using as needed. Use integers or fractions for any numbers in the expression.)
COS
<-1
√3
2
does not exist.