" 12.Which of the following functions are decreasing on "0,(pi)/(2)?

Which of the following functions is decreasing on (0,(pi)/(2)) ?

Which of the following functions is decreasing on (0, (pi)/(2)) .

Which of the following function is decreasing of (0,(pi)/(2))

Which of the following functions is decreasing on (0, pi/2)

Which of the following function is decreasing on (0, pi/2)

Which of the following functions is not decreasing on (0,pi//2)?

Which of the following functions are decreasing on (0,\ pi//2) ? (i) cosx (ii) cos2x (iii) tanx (iv) cos3x

Which of the following functions are decreasing on (0,\ pi//2) ? (i) cosx (ii) cos2x (iii) tanx (iv) cos3x

Which of the following functions are decreasing on (0,pi/2)?(i)cos x(ii)cos2x (iii) tan x (iv) cos3x