If
tan
(
A
−
B
)
=
1
3
a
n
d
tan
(
A
+
B
)
=
3
, 0° < A+B≤90°, A>B find A and B.
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
Step 6
Step 7