Question

In ABC, which trigonometric ratio has the value a/c?

A) tan A
B) cos A
C) tan C
D) cos C
E) sin C

Answer 1

check the picture below.

Answer 2

The answer is the option A

`tan(A)`

Explanation:

we know that

In the right triangle ABC

`tan(A)=(BC)/(AB)`

where

BC is the opposite side to the angle A

AB is the adjacent side to the angle A

we have

`AB=c\ units,BC=a\ units`

substitute the values

`tan(A)=(a)/(c)`