Question

If Sec A = 5/4, Then The Value Of (1 – Tan A)/(1 + TanA) Is ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

1/7

Step-by-step explanation:

Sec A= Hypotenuse/base

         =5/4

hence,

hypotenuse= 5, base= 4

Hypotenuse^2= base^2+perpendicular^2  (pythagoras theorem)

5^2=4^2+P^2

25=16+P^2

P^2= 9

P= 3

Tan A = Perpendicular/base

          = 3/4

(1-Tan A)/ (1+TanA)

=(1-(3/4))/(1+(3/4))

=(1/4)/(7/4)

=1/7

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