C-09-Q080mediumsingle_mcqIf 15cotA=815\cot A = 815cotA=8, secA=?\sec A = ?secA=?a178\dfrac{17}{8}817b1715\dfrac{17}{15}1517c158\dfrac{15}{8}815d817\dfrac{8}{17}178ব্যাখ্যাSecant is the ratio of hypotenuse to adjacent side. With hypotenuse =17=17=17 and adjacent =8=8=8, secA=178\sec A = \dfrac{17}{8}secA=817.