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,
For this case we have that by definition, the circumference of a circle is given by:
Where:
d: Is the diameter of the circumference
According to the data we have to:
Substituting:
Rounding out we have that the diameter is: 80
Answer:
Option B
The surface
can be parameterized by
where
and
. Then the surface integral can be computed with
Answer:
That is has root -12 meaning if you replace x with -12 you get 0.
Answer: it’s 40% if your confused… aka (A.)
Step-by-step explanation: