Which of the following is equivalent to cos x? a) tan y b) tan x c) cos y d) sin y

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.

answer is a

step-by-step explanation:

a. the residual plot for model 1 has a random pattern and is a good fit for the data.