Question

If Sec x=5/3 , evaluate 1-tan x/1+tanx

Answer 1

Answer:

-1/7

Step-by-step explanation:

sec A =5/3

so, cos A = 3/5 =B/H

so B =3x and H = 5x

by Pythagoras theorem

P=4x

so tan A is 4/3

and 1 -4/3 / 1+4/3 = -1 / 7

Answer 2

Answer is given in the pic.