C-09-Q110mediumsingle_mcqIf cosecA−cotA=x\operatorname{cosec} A - \cot A = xcosecA−cotA=x and cosecA+cotA=y\operatorname{cosec} A + \cot A = ycosecA+cotA=y, then xy=?xy = ?xy=?a000b111c−1-1−1dব্যাখ্যাThe identity cosec2A−cot2A=1\operatorname{cosec}^2 A-\cot^2 A=1cosec2A−cot2A=1 means xy=(cosecA−cotA)(.