Use the (x,y) coordinates in the given figure to find the value of the trigonometric function at the indicated real number, t, or state that the expression is undefined. CSC 2 3 3 () 3 (-1,0) (0,1) (0,-1) (--) 2 3 6 (1,0) 3 (}) (+) 2 Select the correct choice below and, if necessary fill in the answer box to complete your choice. A. 2 CSC == 3 (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize the denominator.) B. The expression is undefined.