import math

a = 2
b = -6
T = 1.5
anfun = lambda a, b, x, T: a*math.sin(x)+b*math.cos(x+T)

def gen(start, fin, shag, a, b, T):
    x = start
    while x <= fin:
        yield [anfun(a, b, x, T)]
        x += shag