Maria sold t-shirts at a festival and made a profit of 71 dollars. She made 4 dollars for each t-shirt she sold. Her total expen
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Answer:
x = , y = 2
Step-by-step 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