Answer:
x =
, y = 2
Explanation:
using the tangent ratio and the exact value tan45° = 1 , then
tan45° =
=
= 1 , then
x =
----------------------------------
using the cosine ratio in the right triangle and the exact value
cos45° =
, then
cos45° =
=
=
( cross- multiply )
y =
×
=
= 2