C-09-Q100mediumsingle_mcq11+sinA+11−sinA=?\dfrac{1}{1 + \sin A} + \dfrac{1}{1 - \sin A} = ?1+sinA1+1−sinA1=?a2sec2A2\sec^2 A2sec2Ab2cosec2A2\operatorname{cosec}^2 A2cosec