Question

answer this question urgently​

Answer 1

Answer:

1/7

Step-by-step explanation:

sec = 5/4

we know,

sec=h/b

h/b=5x/4x

Using Pythagoras theorem

we get the value of perpendicular p as 3x or simply 3

Now your Question is 1-tan /1+tan

tan = p/b =3/4

so we get,

1-3/4 divided by 1 + 3/4

on solving we get :

0.25/1.75

1/7