Seno, cosseno e tangente

import math
import time
ang = float(input('Escolha um angulo qualquer: '))
print('Calculando...')
time.sleep(1)
print('1...')
time.sleep(1)
print('2...')
time.sleep(1)
print('3...')
time.sleep(1.5)
print('CALCULO FINALIZADO')
print('Considerando o ângulo {}'.format(ang))
time.sleep(1)
ang = math.radians(ang)
sen = math.sin(ang)
cos = math.cos(ang)
tg =math.tan(ang)
time.sleep(1)
print('Seu Seno é: {:.2f}'.format(sen))
time.sleep(1)
print('Seu Cosseno é: {:.2f}'.format(cos))
time.sleep(1)
print('Sua Tangente é: {:.2f}'.format(tg))
time.sleep(3)