Question

An oscillator has an amplitude of 3.2. At this instant displacement of the oscillator is 1.4. What are the two possible phases of the oscillator at this instant?

Work so far:
x= Acos (constant)
x=displacement
A=amplitude

so
1.4=3.2 cos (constant)

.4375=cos(constant)

After that I am not sure what to do. Is my work even right or heading in the right direction?

Answers

bobpursley
You have it.

constant= arccos .4375

You should have in inverse buttion on your calculator.

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