How do you graph # y=4cos(2x+1)#?

1 Answer
Daniel H.
Nov 13, 2017

The amplitude is 4. The period is #pi#, it's shifted left 1 unit.

Explanation:

The leading scalar is the amplitude.

The period is found by #{2pi}/B#. In this case your B value is 2.

The phase shift is the +1, which reverses, so you start the graph one unit to the left.

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