The interval in which `f(x)=3cos^(4)x+10cos^(3)x+6cos^(2)x-3` increases or decreases in `(0,pi)`

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

Find the intervals in which the function f(x) =3 cos^(4)x+10 cos^(3)x+ 6cos^(2)x-3(0 le x le pi) is monotonically increasing or decreasing.

Separate the intervals [0, (pi)/(2)] into sub intervals in which f(x)= sin^(4)x + cos^(4)x is increasing or decreasing.

Separate the interval [0,pi/2] into sub- intervals in which f(x)=s in^(4)x+cos^(4)x is increasing or decreasing.

Find the intervals in which f(x)=sin3x cos3x,0

Separate the interval [0,(pi)/(2)] into sub intervals in which function f(x)=sin^(4)(x)+cos^(4)(x) is strictly increasing or decreasing.

The function f(x) = 3 cos^(4)x + 10 cos^(3) x + 6 cos^(2)x - 3, (0 le x le pi) is -

Separate the intervals of monotonocity for the function f(x)=3cos^(4)x+10cos^(3)x+6cos^(2)x-3,x in[0,pi]

Separate the interval [0,\ pi//2] into sub-intervals in which f(x)=sin^4x+cos^4x is increasing or decreasing.

Separate the interval [0,pi/2] into sub intervals in which function f(x)=sin^4(x)+cos^4(x) is strictly increasing or decreasing.