import math

def calc_terme(a, b, x):
    return round( abs( (a + math.sin(x)) / math.exp(b*x)), 4)
'''
def loop(a, b, n):
    x = 0.0
    while n > 0:
        x = calc_terme(a, b, x)
        print(x)
        n -= 1
    print('ciao')
'''