By the angle difference formula for sines, we have:

By the angle sum formula for tangents, we have:

.
Rationalizing the denominator gives

as the final answer.
Answer:
1/-2
Step-by-step explanation:
Slope = Rise/Run
Answer:
The slope would be 1 over -2 or -0.5
Step-by-step explanation:
Rise (change in y) over run (change in x)
Point A (-2, 2)
Point B (0, 1)
2 - 1
-------- = -0.5
-2 - 0
Answer:
Answer: I think its 15 but if you could give me answer choices it would be better
But The answer is 15.
Step-by-step explanation:
Step-by-step explanation: