Answer
(a) matches with (v)
(b) matches with (iv)
(c) matches with (vi)
(d) matches with (iii)
(e) matches with (i)
(f) matches with (ii)
Work Step by Step
These are the definitionns of the six trigonometric funtions:
$sin~\theta=\frac{opp}{hyp}$
$cos~\theta=\frac{adj}{hyp}$
$tan~\theta=\frac{opp}{adj}$
$csc~\theta=\frac{hyp}{opp}$
$sec~\theta=\frac{hyp}{adj}$
$cot~\theta=\frac{adj}{opp}$