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 strictly decreasing on (0,pi/2) ? cos3x

Which of the following functions are strictly decreasing on (0,pi/2) ? cos2x

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

which of the following functinon are strictly decreasing on (0,pi/2) a) cos x b) cos2x c) cos3x d) tanx

Which of the following functions are strictly decreasing on [0,(pi)/(2)] (A) (B) cos 2x (C) tan x

Which of the following functions are strictly decreasing on [0,pi/2] (A) cos x (B) cos 2x (C) cos 3x (D) t a n x

Differentiate the following functions with respect to x : (i) log(cosx^2) (ii) cos(log x)^2

Find the derivative of the following functions: (i) sin x cos x (ii) sec x (iii) 5sec x+4 cos x (iv) cosec x (v) 3 cot x+5 cosec x (vi) 5sinx-6cosx+7 (vii) 2tanx-7secx

Find the periods of the following functions, if periodic : (i) | cos x | (ii) 2 "cos" (1)/(3)(x - pi)