Answer:
A
Step-by-step explanation:
Answer:
<h3>x = 27.5</h3>
Step-by-step explanation:

1 is x=13.5
2 is x=-260
3 is x=38
4 is x=-37^38
i think this is correct
Answer:
0.
Step-by-step explanation:
The angle whose sine is 5/12 = 22.62 degrees and in Quadrant II it is
180 - 22.62 degrees
The angle whose tan is (5/12) = 22.62.
So we can write α as 180 - α and β as α.
sin (α+β) = sin ( 180 - α = α) = sin 180
= 0.