Answer:
A
Step-by-step explanation:
Answer:
The solution is attached in the picture below
Step-by-step explanation:
It looks like
(If the limits are in the wrong order, just multiply the result by -1)
Split the integral at an arbitrary value between
and
, and write
as
Then by the FTC,
Answer:
about 80º give or take
Step-by-step explanation:
it's not quite 90 degrees, and its not 70 degrees or below.