1.f(x)=cosxf(x) = \cos xf(x)=cosx is monotonic decreasing under which one of the following conditions?a.0<x<π/20 < x < \pi/20<x<π/2 onlyb.π/2<x<π\pi/2 < x < \piπ/2<x<π onlyc.0<x<π0 < x < \pi0<x<πd.0<x<2π0 < x < 2\pi0<x<2πLogin to continueOnly logged in users canattempt or see the solution.
