1.If 5π2<x<3π\dfrac{5\pi}{2} < x < 3\pi25π<x<3π, then the value of 1−sinx+1+sinx1+sinx−1−sinx\dfrac{\sqrt{1-\sin x} + \sqrt{1+\sin x}}{\sqrt{1+\sin x} - \sqrt{1-\sin x}}1+sinx−1−sinx1−sinx+1+sinx isa.−cotx2-\cot\dfrac{x}{2}−cot2xb.cotx2\cot\dfrac{x}{2}cot2xc.tanx2\tan\dfrac{x}{2}tan2xd.−tanx2-\tan\dfrac{x}{2}−tan2xLogin to continueOnly logged in users canattempt or see the solution.
