An 8-in pendulum moves according to the function 0 = 0.4 cos (2t) where is the angular displacement from the vertical in radians

Question

An 8-in pendulum moves according to the function 0 = 0.4 cos (2t)
where is the angular displacement from the vertical in radians and tis
time in seconds.
What is the rate of change (in radians/s) of when t =
Note: Round to the nearest hundreth.
4 seconds?

Kunduz · Accepted Answer

Click to see the answer