If 0<k<π/2 and the area under the curve y=cosx from x=k to

Last updated: 7/9/2022

If 0<k<π/2 and the area under the curve y=cosx from x=k to x=π/2 is 0.1, then k= (A) 1.471 (B) 1.414 (C) 1.277 (D) 1.120 (E) 0.436