Use the given information to find (a) sin (s+t), (b) tan (s + t), and (c) the quadrant of s+t. 4 coSs = 12 and sint= 13 s and t in quadrant I ... (a) sin (s + t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) (b) tan (s + t) = (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.) (c) What is the quadrant of s + t? Quadrant IV Quadrant I Quadrant III Quadrant II