Answer:
(x-5)(4x^2+3)
Step-by-step explanation:
Answer:
It is the distance around a circle.
Step-by-step explanation:
Answer:
the answer is A. 8/9
Step-by-step explanation:
i did the math
Answer:
-1
Step-by-step explanation:
We evaluate 
In
,
is a complete revolution and is the same as 0. So we have

One
is a half revolution, putting the point at (-1, 0).
is a quarter of a revolution. A quarter circle from (-1, 0) anticlockwise is (0, -1).
The sine is the y-coordinate of a point along a unit circle.
Hence,