Because arcsin or sin-1 only gives outputs that are in the first and fourth quadrant.
5pi / 6 is in the second quadrant.
Answer:
3/5
Step-by-step explanation:
1/2=2/4
2+1=3
1+4=5
3/5
Answer:
Step-by-step explanation:
Since the two triangles are similar, you can use proportions to solve for the value of 

Now, just multiply 4 and 12.

Then divide that by 3.

Therefore,
.
It is 9/10 as the others are too small