If
sin
x
=
4
/
5
(
i
n
I
q
u
a
d
r
a
n
t
)
a
n
d
cos
y
=
-
12
/
13
(
i
n
I
I
q
u
a
d
r
a
n
t
)
, find
(
i
)
sin
(
x
-
y
Matching exercise
Match the items on the right to the items on the left.
Check
OK
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
