Question 862778
Find values of P for which the graph y = sin ( x - p ) coinsides with the graph of 
a) y = sin x 
{{{p = 0 +- n*2pi}}}, n = 0,1,2,3...
-----------
b) y = cos x
{{{p = -pi/2 +- n*2pi}}}, n = 0,1,2,3...