Expand `|(sinx , 2),(3x , sinx)|`

Expand | (cosx, -sinx),(sinx , cosx)|

If sin2x=1 , then |(0,cosx,-sinx),(sinx,0,cosx),(cosx,sinx,0)| equals :

int (sinx-cosx)/(cosx+sinx)dx =

Find all the solution of 4 cos^(2)x sinx -2 sin^(2) x=3 sinx

If Delta(x)=|(1,cosx,1-cosx),(1+sinx,cosx,1+sinx-cosx),(sinx, sinx ,1)| then int_0^(pi//2)Delta(x) dx is equal to :

The general solution of sinx + sin 2x + sin3x = 0 is

int(3 sinx +2 cos x)/(3 cos x+2 sin x) dx

Find dy/dx if 2x-y=sinx

The general solution of sinx - 3sin2x + sin3x = cosx - 3cos2x + cos3x is :