Find the intervals in which `f(x)=sinx-cosx` , where `0

Find the intervals in which f(x)=s in x(1+cosx), 0

Find the intervals in which f(x)=sinx+|sinx| is increasing or decreasing.

Find the intervals in which f(x)=sinx+|sinx|, 0

Find the interval in which f(x) = sinx + cos x. [x in [0, 2 pi]] increases.

Find the interval in which the function f(x)=sinx+cosx, 0lexle2pi is strictly increasing or strictly decreasing.

Write the interval in which f(x)=sinx+cosx ,\ \ x in [0,\ pi//2] is increasing.

Find the interval for which f(x)=x-sinx is increasing or decreasing.

Find the interval for which f(x)=x-sinx is increasing or decreasing.

Find the interval for which f(x)=x-sinx is increasing or decreasing.

Find the interval for which f(x)=x-sinx is increasing or decreasing.