You can add or subtract a certain number of degrees of phase to or from a sine wave, and end up with an inverted (upside-down) representation of the original ___

You can add or subtract a certain number of degrees of phase to or from a sine wave, and end up with an inverted (upside-down) representation of the original.

This number is:

A. 90.
B. 180.
C. 270.
D. 360.

Show Answer

Answer: B

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