the trigonometric function at the indicated real number s or state that the expression is undefined 11x 6 sec 42 42 1 0 7x 4 2 2 2 0 1 2x 3 3x 42 2 5x 4 6 6 5x 4x 3 K 2 73 5x 3 74 4 x 6 0 11x 1 0 3x 2 0 1 9 2 4 x y 1 7x 6 4 60 fill in the answer box to comple O A 11x 6 Simplify your answer radicals Use integers C numbers in the express B The expression is under sec