C-09-Q074mediumsingle_mcqcosecA−cotA=43\operatorname{cosec}A-\cot A=\dfrac{4}{3}cosecA−cotA=34 হলে cosecA+cotA=\operatorname{cosec}A+\cot A=cosecA+cotA= ?a43\dfrac{4}{3}34b34\dfrac{3}{4}4