Question
A particle has a position vector (2cos2t, 1+3sint). What is the speed of the particle at time t = pi/4? a. 1.879 b. 4.528 c.
A particle has a position vector (2cos2t, 1+3sint). What is the speed of the particle at time t = pi/4?
a. 1.879
b. 4.528
c. 5.427
d. 7.245
The answer for this is letter B. 4.528 but I dont know the solution
Please provide me a solution through handwriting for better understanding. thank you
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Elementary Statistics
Authors: Mario F. Triola
12th Edition
0321836960, 978-0321836960
