Find the intervals in which the function f given by `f(x)=sinx-cosx,0lexle2π` is strictly increasing or strictly decreasing.

Find the interval in which the function f given by f(x)=sin2x+cos2x, 0lexlepi is strictly decreasing.

Find the intervals in which the function f given by f(x)=sinx+cosx ,\ \ 0lt=x\ lt=2pi is strictly increasing or strictly decreasing.

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

Find the intervals in which the function f given by f(x)=2x^3-3x^2-36 x+7 is (a) strictly increasing (b) strictly decreasing

Find the intervals in which the function f given by f(x)=x^2-4x+6 is (a) strictly increasing (b) strictly decreasing

Find the intervals in which the function f given by f(x)=4x^3-6x^2-72 x+30 is (a) strictly increasing (b) strictly decreasing

Find the intervals in which the function f given by f(x)=2x^2-3x is(a) strictly increasing (b) strictly decreasing

Find the interval in which the function f given by f(x)=x^(2)-2x+3 is (a) Strictly increasing (b) Strictly decreasing

Find the intervals in which the function f(x)=3/2x^4-4x^3-45 x^2+51 is (a) strictly increasing. (b) strictly decreasing.

Find the intervals in which the function f(x)=x^4/4-x^3-5x^2+24x+12 is (a) strictly increasing (b) strictly decreasing