Asked by Nicole

The height h(t) (in feet) of the seat of a child's swing above ground level is given by h(t) = -1.1cos(2pi/3t)+3.1 where t is the time in seconds after the swing is set in motion.
a) Find the maximum and minimum height of the swing.

Answers

Answered by oobleck
you know that the max of cos(x) is 1 and the min is -1
so, A cosx oscillates between A and -A
So, this function oscillates between
3.1+1.1 and 3.1-1.1
or
4.2 and 2.0
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