File talk:Cos.svg
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This image has an error. The X-Axis legend to the right (positive) has to be 3Pi/2 not 2Pi/3. Unfortunately i don't have the program to edit this image.
This image has an error. The X-Axis legend to the right (positive) has to be 3Pi/2 not 2Pi/3. Unfortunately i don't have the program to edit this image.