Find intervals in which the function given by `f (x)=sin3x`, x` in [0,pi/2]` is (a) increasing (b) decreasing.

Find intervals in which the function given by f (x) = sin 3x , x in [0,(pi)/(2)] is (a) increasing (b) decreasing.

Find intervals in which the function given by f (x) = sin 3x , x in [0,(pi)/(2)] is (a) increasing (b) decreasing.

Find intervals in which the function given by f(x)=sin 3x, x in [0, (pi)/(2)] is (a) Increasing (b) Decreasing.

Find the intervals in which the function given by f(x)=sin3x, x in [0, (pi)/(2)] is : (a) increasing (b) decreasing.

Find the intervals in which the function given by f(x) = sin 3x, x in [0, (pi)/(2)] is (i) increasing (ii) decreasing

Find the intervals in which the function given by f(x) = sin 3x , x in [ 0, pi/2 ] is increasing.

Find the intervals in which the function given by f(x) = sin 3x , x in [ 0, pi/2 ] is decreasing.

Find the intervals in which the function f given by f(x)=x^3+1/x^3 , x ne 0 is (i) increasing (ii) decreasing