Please help me with this problem I need help with this please

Sketching the graph of y= sin(x)+ dor y cos(x) Espanol Graph the trigonometric function. y = cosx -2 Plot all points corresponding to minima and maxima within one cycle. Within that cycle, also plot all points along the "midline" (points whose y-coordinates are midway between the function's minimum and maximum values). Then click on the graph-a-function button. D X ? 4