[" Q.32: Find the intervals in which function "f(x)=sin x+cos x,0<=x<=2 pi" is strictly increasing or "],[" decreasing."]

Find the intervals in which the function f(x) = sin x +cos x,x in [0, 2pi] is (i) strictly increasing, (ii) strictly decreasing.

Find the intervals in which function f(x) = sin x-cos x, 0 lt x lt 2pi is (i) increasing, (ii) decreasing.

Find the intervals in which function f(x) = sin x-cos x, 0 lt x lt 2pi is (i) increasing, (ii) decreasing.

Find the intervals in which function f(x) = sin x-cos x, 0 lt x lt 2pi is (i) increasing, (ii) decreasing.

Find the intervals in which the function f(x)=sin x-cos x where 0 lt x lt 2pi is decreasing.

Find the intervals in which the function f(x)=sin x-cos x where 0 lt x lt 2pi is increasing.

Find the intervals in which the function f given f(x)=sin x+cos x,0<=x<=2 pi, is strictly increasing or strictly decreasing.

Find the intervals in which the function: f(x) = sin^4 x + cos^4x, 0 lex le pi/2 is strictly increasing or decreasing.

Find the intervals in which f(x)=sin x-cos x, where ' 0