Multiply the first digit by 3 then subtract the answer by 2. Rule: x 3 - 2
Answer:
times the numbers
Step-by-step explanation:
ANSWER
D) sin Y
EXPLANATION
The given triangle is a right triangle.
This implies that that:

Then we have

Recall that

But

When we do the substitution, we get,

Therefore cos(x) is a equivalent to sin(y).
The correct answer is D.