Instantaneous Velocity from Position Function
The position of a particle is described by the function x(t) = 4sin(2t) + 3cos(2t), where x is in meters and t is in seconds. What is the instantaneous velocity of the particle at t = π/4 s?
A
-8√2 m/s
B
-6 m/s
C
0 m/s
D
8√2 m/s
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