Answer and Step-by-step explanation:
This is negative slope (or a downwards negative slope).
When the slope is negative, the line goes from right to left from top to bottom.
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Answer:
A. They are the same.
Step-by-step explanation:
The sine of any acute angle is equal to its cosine.
Answer:
4x/9
Step-by-step explanation:
Answer:
C. R = 17.9 degrees
Step-by-step explanation:
We have a rectangle triangle with the adjacent side and the opposite side (neither of which are the hypotenuse).
The relation between those elements is the tangent:

So, to isolate the angle, we modify the formula as such:

If we round 17.87 degrees to the tenth... we get 17.9 degrees.