Sketch the graph : `y= 4 cos 2x`

Sketch the graph : y= sin\ x/2

Sketch the graph : y = 3 sin x

Sketch the graph : y = 2 tan x

Sketch the graph : y=2 sin (x - pi/4)

Sketch the graph of y=cos(x-pi/4)dot

Sketch the graph for y=cos^(-1)x, AA x in [-1, 1] .

Make a rough sketch of the graph of y = cos ^(2) x, 0 le x le (pi)/(2) and find the area enclosed between the curve and the axes.

Sketch the graph for y=|sin x|

Sketch the graphs for y=cos(cos^(-1)x)

Sketch the graph for y=cos^(-1)(cosx).