) Find the intervals in which the function `sin 3x, x in [0, pi/2]`, is (a) increasing (b) decreasing

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

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