If we look at #color(blue)(y=2-sinx)# in relation to #color(blue)(y=sinx)#, we can see that, if we reflect #color(blue)(y=sinx)# in the x axis, we get #color(blue)(y=-sinx)#. If we then translate this 2 units in the positive y direction we get #color(blue)(y=2-sinx)# .