Question

Si= ctg x= 1/4

calcule : tg(45+x)
ayuda

Answer 1

Explicación:

Si ctg x = 1/4, entonces:

tg x = 1/ctg x = 4

calcular tg(45+x):

tg(45+x) = (tg45 + tgx)/[1 - (tg45*tgx)]

tg45 = 1:

tg(45+x) = (1 + 4)/[1 - (1*4)]

tg(45+x) = 5/[1 - 4]

tg(45+x) = -5/3